Deputy Keeper's Reports - Co Donegal References
Held at PRONI
Submitted by Stanley Nesbitt
M
A-B, C, D, E-F, G-H, I-L, M, N-Q, R-S, T-V, W-Y BACK
| Surname | Location | Document | Date | Reference |
| MacALISTER family | Hilltown / Dow | Gen. notes | from 17c | D 2318 |
| MacALLISTER family | Kinbane Castle / Ant | Gen. notes | from c1545 | T 2531 |
| MACARTAN John | M'deramore Up/Dow | Purchase of tenancy | 18 Mar 1897 | T 3205 |
| MaCARTHY family | Princes of Desmond | Pedigrees | c1600 - 1988 | D 3000/109add |
| MACARTNEY Estate | Armoy / Ant | Maps | c1868 - 1875 | D 2988 |
| MACARTNEY Estate | Billy / Ant | Maps | c1868 - 1875 | D 2988 |
| MACARTNEY Estate | Dervock / Ant | I.L.C. papers etc. | 1679 - 1940 | D 1062 |
| MaCARTNEY Estate | Dervock / Ant | Misc. papers | 1837 - 1878 | D 3607 |
| MACARTNEY Estate | Lissanoure / Ant | I.L.C. papers etc. | 1679 - 1940 | D 1062 |
| MACARTNEY family | Armagh | Title deeds etc. | c1677 - 1960 | D 1616 |
| MACARTNEY family | Ballybrick / Dow | Title deeds, etc. | 1728 - 1840 | D 3649 |
| MACARTNEY family | Ballydogherty / Arm | Title deeds, etc. | 1728 - 1840 | D 3649 |
| MACARTNEY family | Belfast | Family history | 14c - c1800 | T 2970 |
| MACARTNEY family | Belfast | Gen. notes | c1772 - 1852 | T 2487 |
| MACARTNEY family | Belfast | Gen. notes | c1905 | T 1968 |
| MACARTNEY family | Co. Antrim | Misc. papers | 1728 - 1913 | D 3649 |
| MaCARTNEY family | Co. Antrim | Typed notes | c1700 | D 3513 |
| MACARTNEY family | Co. Down | Will Extracts | D 1759 | |
| MACARTNEY family | Cullentragh / Arm | Title deeds, etc. | 1728 - 1840 | D 3649 |
| MACARTNEY family | Hamiltonsbawn / Arm | Title deeds etc. | c1677 - 1960 | D 1616 |
| MACARTNEY family | Lesh / Arm | Title deeds, etc. | 1728 - 1840 | D 3649 |
| MACARTNEY family | Lisanoure / Ant | Gen. notes | c1772 - 1852 | T 2487 |
| MACARTNEY family | Lisnagree / Arm | Title deeds, etc. | 1728 - 1840 | D 3649 |
| MACARTNEY family | Lissanoure / Ant | Pedigree | 1522 - 1945 | T 3082 |
| MaCARTNEY family | Lissanoure / Ant | Gen. history | 16c - 1773 | D 3000/109 |
| MACARTNEY George | Belfast | Will | c1691 | D 1184 |
| MACARTNEY George | Carrickfergus / Ant | Corporation rents | c1725 | T 1306 |
| MACARTNEY George | Gransha / Dow | Betty Gray relics | c1891 | T 1296 |
| MACARTNEY Lord Estate | Lissanoure / Ant | Test. papers | c1885 | D 1905 |
| MACARTNEY Lord Estate | Lisanoure / Ant | Papers / maps | 1697 - 1802 | T 2408 |
| MacARTNEY Margaret | Belfast | Admin. acct. | 1898 - 1899 | D 2700 |
| MacAULAY family | Tirkelly / Dow | Property agreement | 1875 - 1895 | D 3536 |
| MacAULEY family | Dunmurray / Ant | Gen. notes | c1631 - 1943 | T 3266 |
| MACAULEY James | Dunmurray / Ant | Will | c1887 | D 752 |
| MACAULEY Susanna | Dunmurray / Ant | Will | c1887 | D 752 |
| MACAUSLAND family | Co Londonderry | Gen. notes etc. | late18c - late19c | D 669 |
| MACAUSLAND family | Garvagh / Ldy | Title deeds | late17c - late19c | D 669 |
| MACAUSLAND family | Letterkenny / Don | Title deeds | late17c - late19c | D 669 |
| MACAUSLAND family | Strabane / Tyr | Gen. notes | 19c | D 1124 |
| MACAUSLAND family | Strabane / Tyr | Title deeds | late17c - late19c | D 669 |
| MACAUSLAND family | Stranorlar / Tyr | Title deeds | late17c - late19c | D 669 |
| MACAUSLAND John RN | Co Londonderry | Career notes,corresp | early 19c | D 669 |
| MACAUSLAND O. B. Lt. | France | Death in action | c1915 | D 1124 |
| MACAUSLAND O. D. Estate | Strabane / Tyr | Masonic certs. | 1877 - 1885 | D 1124 |
| MACAUSLAND O. D. Estate | Strabane / Tyr | Legal papers | c1896 | D 1124 |
| MACAUSLAND Redmond | India | 39th Foot | late 19c | D 669 |
| MacBRATNEY John | Killinchy / Dow | Presbyt. mins extract | c1749 | T 2241 |
| MacCALL Seamus | Omagh / Tyr | Career notes | 1892 - 1964 | D 2455 |
| MacCAUSLAND family | Coleraine / Ldy | Misc. papers | 1799 - 1917 | D 2604 |
| MacCAUSLAND family | Garvagh / Ldy | Misc. papers | 1799 - 1917 | D 2604 |
| MacDERMOTT family | Belfast | Pedigree | 1817 - 1956 | T 1274 |
| MacDONALD family | Co Antrim | Gen. notes | c1427 - 1947 | T 2531 |
| MACDONALD- TYLER Est. | Limavady / Ldy | I.L.C. papers | c1760 - c1900 | D 1550 |
| MACDONALD- TYLER Est. | Magilligan / Ldy | I.L.C. papers | c1760 - c1900 | D 1550 |
| MacDONELL Alexander | Ballymogart / Dow | Encumbered sale | 14 Jul 1853 | D 1201/23/27 |
| MacDONNELL family | Belfast | Misc. papers | c1500 - c1980 | D 3819 |
| MacDONNELL family | Glens of Antrim | Gen. notes | c1500 - c1980 | D 3819 |
| MacDONNELL Randall | Ireland | Business loans | c1830 | D 3068 |
| MacDOUGALL family | Ulster | Gen notes | c1100 - c1900 | T 1289 |
| MacGEOUGH Bond family | Drumsill / Arm | Title deeds etc. | 1748 - 1934 | D 3012 |
| MacGEOUGH Bond family | Fews Upper / Arm | Title deeds etc. | 1748 - 1934 | D 3012 |
| MacGEOUGH Bond family | Orior Upper / Arm | Title deeds etc. | 1748 - 1934 | D 3012 |
| MacGEOUGH Bond family | Silverbridge / Arm | Title deeds etc. | 1748 - 1934 | D 3012 |
| MacGEOUGH family | Drumsill / Arm | Leases | 1787 - 1914 | D 3012add |
| MacGEOUGH family | Eglish / Arm | Leases, deeds etc. | from 1748 | D 3012add |
| MacGEOUGH family | Lisnadill / Arm | Leases, deeds etc. | from 1748 | D 3012add |
| MacGEOUGH family | Silverbridge / Arm | Leases | 1787 - 1914 | D 3012add |
| MacGEOUGH family | The Argory / Arm | Leases | 1787 - 1914 | D 3012add |
| MacGEOUGH Joshua | Drumsill / Arm | Copy Will / Probate | c1817 | D 3012add |
| MacGEOUGH Joshua | Drumsill / Arm | ms Eliz. Johnston | c1781, 1785 | D 288add |
| MacGEOUGH Walter | Dorsey / Arm | Map | c1818 | D 3012add |
| MacGEOUGH William | Armagh | Will | c1788 | D 288add |
| MacGEOUGH William | Drumgallow / Arm | Deed of mortgage | 1783, 1791 | D 288add |
| MacGEOUGH Joshua Walter | Drumcairn / Arm | Deeds | c1892 | D 288add |
| MacGEOUGH/BOND Papers | Co. Armagh | Misc papers 85 vols | 1678 - 1977 | D 288add |
| MacGEOUGH-BOND Estate | Allistragh / Cav | Deeds, leases | 1678, 1774 - 1778 | D 288add |
| MacGEOUGH-BOND Estate | Ballyheridan / Arm | Deeds, leases | 1748,1756, 1846 | D 288add |
| MacGEOUGH-BOND Estate | Derrycaw / Arm | Deeds, leases | 1761, 1777 - 1818 | D 288add |
| MacGEOUGH-BOND Estate | Drumsill / Arm | Deeds, leases | c1747 | D 288add |
| MacGEOUGH-BOND Estate | Lislea / Arm | Deeds, leases | c1747 | D 288add |
| MacGEOUGH-BOND Estate | The Argory / Arm | Deeds, leases | 1761, 1777 - 1818 | D 288add |
| MacGEOUGH-BOND Estate | Tirgarve / Cav | Deeds, leases | c1763 | D 288add |
| MacGEOUGH-BOND Estate | T'vallen, Tipping / Arm | Deeds, leases | 1765 - 1800 | D 288add |
| MacGEOUGH-BOND Walter | The Argory / Arm | ms M.I. Joy | c1826 | D 288add |
| MacILWAINE family | Ballyneil / Ldy | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| MacILWAINE family | Kilkeel / Dow | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| MacILWAINE family S'broker | Belfast | Bus/Fam. records | 1870 - 1950 | D 3052 |
| MacILWAINE family S'broker | Carnalea / Dow | Bus/Fam. records | 1870 - 1950 | D 3052 |
| MACK family | Ballykine / Dow | Corresp. | 1854 - 1896 | D 2244 |
| MACKAY family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| MacKAY family | Elagh / Tyr | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| MacKAY family | Prospect / Tyr | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| MACKAY family | Tullyconnaught / Dow | Title deeds | 1838 - 1843 | D 2454 |
| MACKAY John Robert | Ballymaguire / Tyr | Court conveyance | c1875 | D 659 |
| MACKAY John Robert | Aghaveagh / Tyr | Court rentals, sale | c1871 | D 2658add |
| MACKAY John Robert | Ballymaguire / Tyr | Court rentals, sale | c1871 | D 2658add |
| MACKAY John Robert | Elagh / Tyr | Court rentals, sale | c1871 | D 2658add |
| MACKAY John Robert | Killymenagh / Tyr | Court rentals, sale | c1871 | D 2658add |
| MACKAY John Robert | Kilsally / Tyr | Court rentals, sale | c1871 | D 2658add |
| MACKEY family | Aghadowey / Ldy | Gen. notes | c1630 - c1880 | T 2053 |
| MACKEY family | Ramelton / Don | Gen. notes | c1630 - c1880 | T 2053 |
| MACKEY family | Ramelton / Don | Gen. notes | c1630 - c1900 | T 2105 |
| MACKEY Helen | Coleraine / Ldy | Corresp. | 1760 - 1765 | D 955 |
| MACKIE family | Kincon / Arm | Gen. notes | 17c - 1981 | D 3669 |
| MACKIE family | Ronaldson / Mon | Gen. notes | 17c - 1981 | D 3669 |
| MACKIE John Rev. | Corvoy / Mon | Will | c1793 | T 3235 |
| MACKLELLANE Robert | Ardkill / Ldy | Grant of Annuity | c1634 | T 1218 |
| MACKY Alexander | Tullintanvally / Dow | Copy Will | c1842 | T 1805 |
| MACKY family | Co. Londonderry | Gen. notes | 1779 - 1858 | T 1302 |
| MACKY Frances Georgina | Elagh / Tyr | Copy Will | c1830 | D 3010 |
| MACLURCAN family | Belfast | Title deeds, accts | 19c | D 971 |
| MacMANAWAY Estate | Londonderry City | Rentals, accts | 1928 - 1951 | D 2808 |
| MacNAGHTEN family | B'money / Ant Mic 528 | Deeds, leases | 1794 - 1978 | D 3027add |
| MacNAGHTEN family | Bushmills / Ant Mic528 | Deeds, leases | 1794 - 1978 | D 3027add |
| MACNAGHTEN family | Lower Dunluce / Ant | Title deeds etc. | 1842 - 1915 | D 3402 |
| MacNAUGHTON family | Bushmills / Ant | Gen. notes | 1630 - 1833 | T 2556 |
| MACOSQUIN PRESBYTERIAN | Editions | July 1884 | D 1276 | |
| MACOUN family | Kilmore / Dow | Gen. notes | c1600 - 1920 | D 3000/2 |
| MACOUN family | Lurgan / Arm | Gen. notes | c1600 - 1920 | D 3000/2 |
| MACOUN family | Magheralin / Dow | Pedigree | 17c - 20c | T 2834 |
| MACOUN family | Magheralin / Dow | Gen. notes | from 1623 | D 1366 |
| MACOUN family | Portadown / Arm | Gen. notes | c1600 - 1920 | D 3000/2 |
| MACOUN John | Lurgan / Arm | Letters | 1847 - c1857 | D 2794 |
| MACOUN John | Magheralin / Dow | Lands recovery vou | c1796 | D 748 |
| MACOURBEY John | Downpatrick / Dow | Copy Will | c1837 | D 2672 |
| MaCRORY Robert A. | Antrim Rd. Belfast | House plan | c1869 | D 3803 |
| MADDEN Charles D. | Spring Grove / Fer | Copy Will | c1826 | D 3465add |
| MADDEN Edward | Spring Grove / Fer | Copy Will | c1787 | D 3465add |
| MADDEN family | Derryhennet / Arm | Rentals | 1895 - 1931 | D 2784/12 |
| MADDEN family | Drumnaleg / Arm | Rentals | 1895 - 1931 | D 2784/12 |
| MADDEN family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| MADDEN family | Hilton / Mon | Family history | 17c - 19c | D3465Mic388 |
| MADDEN family | Hilton Park / Mon | Estate/Pers. papers | 1610 - 1935 | D 3465add |
| MADDEN family | Killowen / Ldy | Title deeds, leases | 1848 - 1923 | D 2738add |
| MADDEN family | Manor Waterhouse/Fer | Family history | 17c - 19c | D3465Mic388 |
| MADDEN family Estate | Hilton Park / Mon | Misc. papers | 1778 - 1934 | D 3465add |
| MADDEN John | Hilton / Mon | Copy Will | c1791 | D 3465add |
| MADDEN Thomas | Dublin | Copy Will | c1640 | D 3465add |
| MADDEN John Colonel | Hilton / Mon | Copy Will | c1844 | D 3465add |
| MADDEN Samuel H. | Dublin | Copy Will | c1640 | D 3465add |
| MADDEN Samuel Rev. Dr. | Manor Water Ho. | Copy Will | c1761 | D 3465add |
| MAGAWLEY John | Ballycastle / Ant | Legal searches | c1829 | D 1177 |
| MAGEE College | Londonderry | Printed registers | c1865 - 1896 | Mic 122 |
| MAGEE Daniel | Dromore / Dow | Commonplace book | 1812 - c1850 | D 3692 |
| MAGEE family | Banbridge / Dow | Gen. notes | c1700 - c1850 | D 1109 |
| MAGEE Francis Draper | Ballyclare / Ant | Accts. etc. | 1877 - 1879 | T 2745 |
| MAGEE James | Drumlee / Dow | Test. papers | 1873 - 1919 | D 3300/13 |
| MAGEE Robert | Drumlee / Dow | Test. papers | 1873 - 1919 | D 3300/13 |
| MAGEE William James | Belfast | RIC papers etc. | 1878 - c1936 | D 3692 |
| MAGEEAN Nicholas | Co Down | Report | 1/4/1798 | D 714/2/20b |
| MAGEEAN Nicholas | Co Down | Report | 27/2/1798 | D 714/2/15b |
| MAGEEAN Nicholas | Co Down | Report | 28/12/1797 | D 714/2/11b |
| MAGEEAN Nicholas | Co Down | Report | 29, 31,/6/1797 | D 714/2/6a |
| MAGEEAN Nicholas | Co Down | Report | 31/5/1798 | D 714/2/23 |
| MAGEEAN Nicholas | Co Down | Report | 9/3/1798 | D 714/2/16 |
| MAGEEAN Nicholas | Co Down | Report | 12/5/1798 | D 714/2/21 |
| MAGENIS Arthur Estate | Castlewellan / Dow | Map | 1727 | T 2215 |
| MAGENIS Estate | Finnis / Dow | I.L.C. papers | from 1760 | T 2201 |
| MAGENIS Estate | Moybrick / Dow | I.L.C. papers | from 1760 | T 2201 |
| MAGENIS Estate | Sheeplandmore /Dow | I.L.C. papers | from 1760 | T 2201 |
| MAGENIS Estate | Silverwood / Arm | I.L.C. papers | from 1760 | T 2201 |
| MAGENIS family | Belfast | Title deeds, leases | 1835 - 1871 | D 3805 |
| MAGENIS family | Carnany / Ant | Title deeds, leases | early18c - 1932 | D 3805 |
| MAGENIS family | Carneatly / Ant | Title deeds, leases | early18c - 1932 | D 3805 |
| MAGENIS family | Co. Down | Will Extracts | D 1759 | |
| MAGENIS family | Enagh / Ant | Title deeds, leases | early18c - 1932 | D 3805 |
| MAGENIS family | Finnis / Dow | Title deeds, leases | early18c - 1932 | D 3805 |
| MAGENIS family | Glen, Drumantine / Dow | Title deeds | 1642 - 1868 | T 1514 |
| MAGENIS family | Moybrick / Dow | Title deeds, leases | early18c - 1932 | D 3805 |
| MAGENIS family | Waringstown / Dow | Gen. notes | 1690 - 1725 | T 1717 |
| MAGENIS Henry Cole | Finvoy / Ant | Mortgage of lands | c1894 | D 3707 |
| MAGENIS Richard | Waringstown / Dow | Lease Finnis / Dow | c1794 | T 1979 |
| MAGENIS Geo. Vaunghan | Lurganbane etc. / Dow | Encumbered sale | 1 Aug 1851 | D 1201/23/28 |
| MAGENNIS family | Loughbrickland / Dow | Copy title deeds | 1611 - 1830 | T 2699 |
| MAGENNIS Arthur | Castlewellan / Dow | Probate, will, grant | c1756 | D 2580 |
| MAGILL family | Annahavil / Ldy | Test. papers | 1821 - c1860 | D 2658 |
| MAGILL family | Antrim / Ant | Gen. notes | 1741 - 1833 | D 2930 |
| MAGILL family | Ardaghy / Dow | Test. papers | 1857 - 1888 | D 1457 |
| MAGILL family | Artrea / Tyr | Family / Test papers | from 17c | D 2315 |
| MAGILL family | Banbridge / Dow | Gen. notes | 19c - early20c | D 3568add |
| MAGILL family | Donaghey / Tyr | Gen. notes | 1729 - 1851 | T 1787 |
| MAGILL family | Donaghmore / Dow | Title deeds, leases | c1720 - c1900 | D 2666 |
| MAGILL family | Dunmore / Tyr | Title deeds etc. | 1839 - 1901 | D 2658add |
| MAGILL family | Gilford / Dow | Copy Title deeds | 1691 - 1935 | D 2839 |
| MAGILL family | Hilltown / Dow | Gen. notes | from 17c | D 2318 |
| MAGILL John | Donaghcloney / Dow | Land assignment | c1700 | T 1963 |
| MAGILL John | Dromore / Dow | Lease of lands | c1703 | T 1528 |
| MAGILL John | Gillhall / Dow | Copy Will | c1676 | D 1594 |
| MAGILL John | Gillhall / Dow | Lease of Monree | c1699 | T 2441 |
| MAGILL Joseph | Belfast | Conv. Bank Building | ? | T 1324 |
| MAGILL Joseph | Greencastle / Ant | Mortgage | c1875 | D 3708 |
| MAGILL Patrick Mor | Glenarm / Ant | Lease,faires etc | c1686 | D 794 |
| MAGILL Patrick Mor | Larne / Ant | Lease,faires etc | c1686 | D 794 |
| MAGILL Robert Rev. | Antrim / Ant | Diary | c1834 | D 2194 |
| MAGILL Robert Rev. | Antrim / Ant | Diaries | 1821 - 1824 | D 2930 |
| MAGILL William | Creeve / Tyr | Deposition | c1816 | T 2008 |
| MAGIN Nichols | Saintfield / Dow | Informer / reports | 1797 - 1798 | D 714 |
| MAGINESS family | Lisburn / Ant | Gen. notes | from 17c | T 2648 |
| MAGINNIS family | Ulster | Gen. notes | c1760 - 1927 | T 1264 |
| MAGOWAN family | Belfast | Receipts/naval docs | 1915 - 1942 | D 3610 |
| MAGOWAN family | Mountnorris / Arm | Domestic Acct. bk. | c1791 | T 1614 |
| MAGOWAN William Rev. | Mountnorris / Arm | Address / Congreg. | c1804 | T 1614 |
| MaGRATH family | Co. Fermanagh | Gen. notes | 12c - c1940 | D/3000/57 |
| MAGRATH Martha | Clarkhill / Dow | Apprent. Indent. | c1825 mantua mk | D 3622/4 |
| MAGUIRE Constantine | Tempo / Fer | Lunacy of | 1867 - 1883 | D 3805 |
| MAGUIRE Constantine | Tempo / Fer | Copy grant of Admi | c1835 | D 3805 |
| MAGUIRE family | Co Fermanagh | Pedigree papers | c1307 - c1987 | D 3000/109/15 |
| MAGUIRE family | Co. Fermanagh | Gen. notes | c1718 | T 1875 |
| MAGUIRE family | Enniskillen / Fer | Title deeds | 1794 - 1868 | D 1024 |
| MAGUIRE family | Newry / Dow | Title deeds etc | 1937 - 1950 | D 2965add |
| MAGUIRE family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| MAGUIRE family | Tempo / Fer | Misc. papers | ? | D 3805 |
| MAGUIRE family | Tempo / Fer | Pedigree | c1400 - 1830 | T 2616 |
| MAGUIRE Hugh | Tempo / Fer | L of Admin goods | 1871, 1883 | D 3805 |
| MAHAFFY family | Lurganslannagh / Don | Test. papers,deeds | 1901 - 1935 | D 2298add |
| MAHAFFY & Co. Hardware | Strabane / Tyr | Business records | 1926 - 1944 | D 3461add |
| MAHAFFY & Co. Hardware | Strabane / Tyr | Business records | 1915 - 1971 | D 3461 |
| MAIN family | Ballooly / Dow | Title deeds | 1857 - 1907 | D 1757 |
| MAIN family | Castlevennon / Dow | Title deeds | c1850 - 1877 | D 2454 |
| MAIN/MAYNE family | Ballymoney / Dow | Gen. notes | from early 18c | D 3083 |
| MAINS George | Kilnahusogue / Tyr | Will | c1831 | D 1444 |
| MAIRS Alexander | Conlig / Dow | Probate | c1867 | T 2281 |
| MAIRS family | Belfast | Title deeds | 1813 - 1887 | D 2336 |
| MAIRS family | Carrickfergus / Ant | Title deeds | 1813 - 1887 | D 2336 |
| MAIRS James | Gortycavan / Ldy | Probate | c1886 | T 1214 |
| MAITLAND Jane | Springvale / Dow | m. R. Waddell | c1802 | D 2076 |
| MAJURY Todd | Belfast | Business records | 1940 - 1971 | D 3446 |
| MAKEMIE Francis Rev. | Rathmelton / Don | Gen. notes | 1658 - 1706 | D 2106 |
| MAKEMSON family | Co. Armagh / USA | Family history | late 18c | T 3410 |
| MAKEMSON family | Legacorry / Arm | family history | from 18c | T 3410 |
| MALCOLM John | Ballyaghlis / Dow | Copy Will | c1818 | D 1615 |
| MALCOLM family | Carrickfergus / Ant | Title deeds etc. | 1678 - 1856 | D 3603 |
| MALCOLM family | Hillhall / Dow | Farm history | 1773 - c1900 | T 2226 |
| MALCOLM H.D. | Ballydunmaul / Ant | New Test. Births | 1842 - 1855 | D 3507 |
| MALCOLM Hamilton Dickson | Ballydunmaul / Ant | Teacher's notes | c1816 | D 3507 |
| MALCOLMSON family | Cos. Ant,Tyr,Arm | Gen. notes | c1700 - c1900 | D 979 |
| MALCOMSON David | Lurgan / Arm | Conveyance | c1901 | T 2769 |
| MALCOMSON family | Ballyvalley / Dow | Assignment/propert | c1864 | D 3439add |
| MALCOMSON family | Co Armagh | Gen. table | 1649 - c1970 | D 3000/31add |
| MALCOMSON family | Co Armagh | Gen. table | c1714 - 1952 | D 3000/32 |
| MALCOMSON family | Co Armagh | Gen. table | c1714 - 1952 | D 3300/9 |
| MALCOMSON family | Co Armagh | Gen. table | c1714 - 1952 | D 3312 |
| MALCOMSON family | Co Armagh | Gen. table | c1714 - 1952 | T 1965add |
| MALCOMSON family | Co Armagh | Gen. table | c1714 - 1952 | T 2534add |
| MALCOMSON family | Co Down | Gen. table | 1649 - c1970 | D 3000/31add |
| MALCOMSON family | Co Down | Gen. table | c1714 - 1952 | D 3000/32 |
| MALCOMSON family | Co Down | Gen. table | c1714 - 1952 | D 3300/9 |
| MALCOMSON family | Co Down | Gen. table | c1714 - 1952 | D 3312 |
| MALCOMSON family | Co Down | Gen. table | c1714 - 1952 | T 1965add |
| MALCOMSON family | Co Down | Gen. table | c1714 - 1952 | T 2534add |
| MALCOMSON family | Co. Armagh | Pedigree compiled | c1950 | T 2983/18add |
| MALCOMSON family | Legacorry / Arm | Pedigree | 1600 - 1969 | T 2686 |
| MALCOMSON family | Legacorry / Arm | Pedigree | 1653 - 1882 | T 2439 |
| MALCOMSON family | Lurgan / Arm | Gen. notes | 1610 - c1915 | D 2794 |
| MALCOMSON family | Lurgan / Arm | Pedigree | c1700 - c1925 | T 536 |
| MALCOMSON family | Lurgan / Arm | Gen. notes | Mid 17c - 1972 | T 2983 |
| MALCOMSON family | Portadown / Arm | Gen. notes | Mid 17c - 1972 | T 2983 |
| MALCOMSON Joseph | Lurgan / Arm | Promissory note | c1819 | T 2335 |
| MALCOMSON Sarah | Lisnamintry / Arm | Copy Will | c1844 | D 2794 |
| MALLEY F. W. Draper | Aughnacloy / Tyr | Business records | from 1927 | D 2948 |
| MALONEY Thomas Francis | North West Circuit | LCJ Comm. of Asiz. | c1920 | D 2641 |
| MALTMAN family | Belfast | Masonic certificates | 1916 - 1952 | D 2606 |
| MANCHESTER Duke | Clownagh / Arm | Map | c1861 | D 1248add |
| MANCHESTER Duke | Tandragee / Arm | Leases | 1718 - 1753 | D 1248add |
| MANCHESTER Duke | Tandragee Castle / Arm | Household accts. | 1845 - 1855 | D 2862 |
| MANCHESTER Duke | Tandragee Castle / Arm | Plan of drains | c1904 | D 1248add |
| MANCHESTER Duke Estate | Portadown / Arm | Misc. estate papers | 1715 - 1936 | D 1248 |
| MANCHESTER Duke Estate | Portadown / Arm | Title deeds | 1762 - c1847 | D 2404 |
| MANCHESTER Duke Estate | Portadown / Arm | Legal papers | 1833 - 1959 | D 1248add |
| MANCHESTER Duke Estate | Tandragee / Arm | Misc. estate papers | 1715 - 1936 | D 1248 |
| MANCHESTER Duke Estate | Tandragee / Arm | Misc. papers | 1805 - 1846 | T 3676 |
| MANCHESTER Duke Estate | Tandragee / Arm | Legal papers | 1833 - 1959 | D 1248add |
| MANCHESTER Estate | Co Armagh | Irish Land Comm | 1773 - 1922 | D 935 |
| MANN Deane Lt. Col. | Dunmoyle / Tyr | Land League | c1881 | T 2355 |
| MANN family | Sixmilecross / Tyr | Photo | c1850 | D 2725 |
| MANSEN David | Belfast | Educationalist notes | 1868 - 1869 | D 3361 |
| MANSERGH family | Marlacoo / Arm | I.L.C. papers | 1870 - 1938 | D 2784/12 |
| MANSFIELD Estate | Killygordon / Don | Title deeds | c1700 - c1880 | D 1550 |
| MANSFIELD J. E. | Brazil & Belfast | Letters home | c1841 | T 1504 |
| MANSFIELD John | Rooskey / Don | Map | c1828 | D 2298add |
| MAP | Magheratimpany / Dow | Map | c1760 | D 1120 |
| MAPS | Carrickfergus / Ant | Castle & Town plan | c1587 | T 1273 |
| MAPS | Co. Down | Map | c1767 | T 1245 |
| MAPS | Co. Down | Map/J. Williamson | c1810 | D 735 |
| MAPS | Hamiltonsbawn / Arm | Map | c1750 | T 1233 |
| MAPS | Ireland | Speed's map | c1610 | T 1388 |
| MAPS | Londonderry City | Map | c1750 | T 1415 |
| MAPS | Newry / Dow | Newry Castle plan | c1587 | T 1273 |
| MAPS | Newry / Dow | Tidal approaches | c1820 | T 1515 |
| MAPS | Newtownards / Dow | Town plan | c1830 | D 952 |
| MAPS | Rathfriland/C'wellan Rd | Map | c1839 | D 875 |
| MAPS | Ulster | Speed's map | c1610 | T 1388 |
| MAPS | Ulster | Coast line & forts | late16c - ear17c | T 1493 |
| MARGARROLL Patrick | Ballyrickard / Ant | Lease | c1792 | D 794 |
| MARIN George | Tullyconnaught / Dow | Probate copy will | c1818 | D 2454 |
| MARK family | Lisnisk / Dow | Pedigree | 1765 - 1975 | D 3000/130 |
| MARK family | Tirygory / Dow | Pedigree | 1765 - 1975 | D 3000/130 |
| MARKET " Castle " | Belfast | Photo. | 1918 | D 1863 |
| MARKS family | Killycapple / Arm | Title deeds, leases | 1783 - 1837 | D 3587 |
| MARKS family | Clare / Arm | Abstract of leases | c1726 | D 763 |
| MARRON family | Newry / Dow | Test. papers | 1866 - 1926 | D 921 |
| MARSH family | Belfast | Marr. settlement | 1857 - 1896 | T 1821 |
| MARSH family | Belfast | Gen. notes | 1863 - 1927 | D 1297 |
| MARSHALL Charles | Carnmoney / Ant | Letters of Admin. | c1844 | D 3140add |
| MARSHALL William | Ballylinny / Ant | Copy Will & Prob. | c1774 | D 3587 |
| MARSHALL family | Annvale / Arm | Rentals | 1837 - 1901 | D 2784/17 |
| MARSHALL family | Ballycraigy / Ant | Title deeds, leases | 1812 - 1847 | D 3140add |
| MARSHALL family | Ballyduff / Ant | Title deeds, leases | 1812 - 1847 | D 3140add |
| MARSHALL family | Belfast | Pedigree | c1745 - c1980 | T 3601 |
| MARSHALL family | Blackwatertown / Arm | Rentals | 1837 - 1901 | D 2784/17 |
| MARSHALL family | Cappagh / Tyr | Pedigree | 1757 - 1917 | T 2355 |
| MARSHALL family | Coagh / Tyr | Gen. notes | c1933 | D 1413 |
| MARSHALL family | Crossened / Arm | Rentals | 1897 - 1901 | D 2784/17 |
| MARSHALL family | Cullion / Tyr | Rentals | 1837 - 1901 | D 2784/17 |
| MARSHALL family | Dunmullan / Tyr | Pedigree | c1690 - c1960 | D 2943 |
| MARSHALL family | Tattysallagh / Tyr | Pedigree | c1690 - c1960 | D 2943 |
| MARSHALL family | Tattysallagh / Tyr | Photo of farm | c1955 | D 2943 |
| MARSHALL family | Teeraw / Arm | Rentals | 1837 - 1901 | D 2784/17 |
| MARSHALL family | Tirmurty / Tyr | Pedigree | c1690 - c1960 | D 2943 |
| MARSHALL family | Tullymurry / Dow | Title deeds | 1812 - 1906 | T 1390 |
| MARSHALL family | Tullymurry / Dow | Map | c1807 | T 1390 |
| MARSHALL family Grocers | Newry / Dow | Business records | 1830 - 1900 | D 917 |
| MARSHALL John & Ann Est | Newry / Dow | Legal papers | c1896 | T 1390 |
| MARSHALL Sarah | Tullymore / Dow | Letter/Miss Riddle | c1838 | D 1025 |
| MARSHALL William K. | Blackwatertown / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSHALL William K. | Crossdened / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSHALL William K. | Cullion / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSHALL William K. | Derryhennet / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSHALL William K. | Madden / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSHALL William K. | Newtownhamilton / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSHALL William K. | Tullyvallan / Arm | Rentals | 1895 - 1921 | D 2784/12 |
| MARSTON Thomas | Glaskermore / Dow | Encumbered sale | 28 Oct 1852 | D 1201/23/18 |
| MARTIN Estate | Culmore / Ldy | Title deeds | 1695 - c1850 | D 1550 |
| MARTIN John | Lismore / Dow | Farmyard plan | c1847 | T 2443 |
| MARTIN Charles | Ballyooly / Dow | Emig. letters | c1812 | D 2722 |
| MARTIN Charles J. Venerable | Killashandra / Cav | Will papers | 1823 - 1907 | D 3480add |
| MARTIN David | Falls Rd. Belfast | Copy Will & Probate | c1836 | D 2920 |
| MARTIN Ebenezer | Ballyooly / Dow | Lease | c1803 | D 2722 |
| MARTIN Estate | Killyleagh / Dow | Title deeds etc. | 1830 - 1913 | D 2223 |
| MARTIN Estate | Omagh / Tyr | Title deeds etc. | 1830 - 1913 | D 2223 |
| MARTIN Estate | Cringle / Ldy | Title deeds | 1695 - c1850 | D 1550 |
| MARTIN family | Ballycastle / Ant | Emig. letters | 1873 - 1876 | D 1923add |
| MARTIN family | Clones / Mon | Gen. notes | from 17c | D 1147 |
| MARTIN family | Edenferkin / Mon | Registry searches | 1812 - 1883 | D 3012add |
| MARTIN family | Falls Rd. Belfast | Title deeds etc. | 1831 - 1903 | D 2920 |
| MARTIN family | Kilbroney / Dow | Lunacy papers | c1897 | D 1255 |
| MARTIN family | Loughorne / Dow | Gen. notes | D 3000/154 | |
| MARTIN family | Magheradrool / Dow | Rent charges | 1858 - 1873 | D 2823 |
| MARTIN family | Magheradrool / Dow | Legal papers | 1843 - 1873 | D 961 |
| MARTIN family | Mallusk / Ant | Title deeds farm | 1890 - 1906 | D 2039 |
| MARTIN family | Newcastle / Dow | Cash bk./Hilltown | 1812 - 1818 | D 919 |
| MARTIN family | Newcastle / Dow | Legal papers | 1813 - 1875 | D 919 |
| MARTIN family | Newry / Dow | Test. papers | 1875 - 1876 | D 2638 |
| MARTIN family | Shrigley / Dow | Legal papers | c1878 | D 1978 |
| MARTIN family | Spittle Ballee / Dow | Title deeds etc. | 1765 - 1868 | D 886 |
| MARTIN family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| MARTIN family | Tullyconnaught / Dow | Title deeds | 1838 - 1843 | D 2454 |
| MARTIN family | Gen. notes | D 1725 | ||
| MARTIN family Estate | Kilmacrew / Dow | Wages bk, rentals | 1821 - 1853 | D 2722 |
| MARTIN George | Ballykine / Dow &USA | Will | c1827 | T 1653 |
| MARTIN James | Ballybrick / Dow | Will | c1872 | D 936 |
| MARTIN James | Ballyooly / Dow | Will | c1808 | D 2722 |
| MARTIN John | Carrowmenagh / Ldy | Lease | c1713 | T 2042 |
| MARTIN John | Downpatrick / Dow | Emig. letter | c1785 | T 1752 |
| MARTIN John | Loughorne / Dow | Test. papers | c1875 - 1876 | D 2638add |
| MARTIN John | Letters Young Irl. | 1840 - 1864 | D 2137 | |
| MARTIN Margaret | Ballybrick / Dow | Will | c1872 | D 936 |
| MARTIN Robert | Loughorne / Dow | Sale of Corn Mill | c1894 | D 2637 |
| MARTIN Thomas | Broomhedge / Ant | Freemason Certs. | c1880 | T 2900 |
| MARTIN Thomas | Carbullion / Ldy | Grant of Annuity | c1634 | T 1218 |
| MARTIN Thomas S. Estate Ag. | Belfast | Tenancy agreement | 1911 - 1918 | D 3699 |
| MARTIN William | Finaghy / Ant | Lease / Finaghy | c1819 | D 684 |
| MARTIN William Rector | Desertlyn / Ldy | Misc. corresp. | from 1753 | T 1442 |
| MARTIN & HENDERSON Sols | Downpatrick / Dow | I.L.C. papers etc. | 1615 - 1939 | D1255/D2223 |
| MARTIN Henry F. Rev. | Killashandra / Cav | Will papers | 1823 - 1907 | D 3480add |
| MARTIN James Lieut. | Newcastle / Dow | Roy.Dow. Militia | c1799 | D 919 |
| MARTIN NESBITT & IRWIN | Newry / Dow | Grocer's accts. | 1878 - 1900 | Mic/37/1 |
| MARTIN NESBITT & IRWIN | Newry / Dow | Wholesale grocers | 1881 - 1962 | D 2969 |
| MASEFIELD Constance | Carrowdore / Dow | Diaries | 1915 - 1921 | T 2948 |
| MASONIC Lodge # 555 | Co Cork | Authorisation | 1863 | T 2177 |
| MASONIC LODGE # 130 | Killyleagh / Dow | Members register | 1846 - 1903 | T 3141 |
| MASSEREENE family | Letters | 1779 - 1831 | T 2519/4 | |
| MASSEREENE Lord | Antrim / Ant | Rents, accts. | 1843 - 1940 | D 1739 |
| MASSEREENE Lord | Co. Monaghan | Rents, accts. | 1843 - 1940 | D 1739 |
| MASSEREENE Lord | Connor / Ant | Lease of manor | c1696 | D 1529 |
| MASSEREENE Estate Vis. | Oriel / Louth | Map | c1844 | T 2519/15 |
| MASSEREENE family | Antrim / Ant | Title deeds | 1707 - 1755 | D 896 |
| MASTERSON Clara | Tzarsloe Celo Russia | Copy Will (Belfast) | c1917 | D 1959add |
| MATCHETT Abraham | Newcastle / Dow | Will memo. | c1873 | T 2461add |
| MATCHETT family | Newry / Dow | Gen. notes | 1790 - 1880 | T 2461 |
| MATCHETT family | Norfolk,P'down / Arm | Gen. notes, pedigree | c1550 - c1970 | T 2461 add |
| MATCHETT family | Portadown / Arm | Gen. notes | 1790 - 1880 | T 2461 |
| MATCHETT family | Portadown / Arm | Gen. notes/pedigree | c17c | T 2461add |
| MATCHETT family | Portadown / Arm | Misc. papers | from 1786 | T 2461add |
| MATCHETT James | Derryanvil / Arm | Elegy | from 1786 | T 2461add |
| MATCHETT Abraham H. Con | Retirement RIC | c1853 | T 2461 | |
| MATEER family | Newcastle / Dow | Gen. notes | 1766 - 1951 | D 882 |
| MATEER family | Newcastle / Dow | Title deeds etc. | 1830 - 1924 | D 882 |
| MATHEWS family | Ballyartan / Ldy | Title deeds | 1831 - 1899 | D 2446 |
| MATHEWS family | Lettermuck / Ldy | Title deeds | 1831 - 1899 | D 2446 |
| MATHEWSON family | Ardstraw / Tyr | Pedigree | 1723 - c1889 | T1264add |
| MATHEWSON family | Ulster | Gen. notes | c1760 - 1927 | T 1264 |
| MATIER family | Kilkeel / Dow | Photo | c1900 | D 2050 |
| MATTHEW Edward Estate | Newcastle / Dow | Map | 1737 | T 2215 |
| MATTHEWS Abraham | Portaferry / Dow | Rent receipts | 1771 - 1802 | T 3043 |
| MATTHEWS family | Drumballyhagan / Ldy | Title deeds, lands | 1820 - 1889 | D 658 |
| MATTHEWS family | Dunmurray / Ant | Title deeds etc. | 1792, 1871 | D 3521 |
| MATTHEWS family | Lisduff / Fer | Rent Ledgers | 1897 - 1929 | D 2935 |
| MATTHEWS family | Lislea / Fer | Rent Ledgers | 1897 - 1929 | D 2935 |
| MATTHEWS family | Newcastle / Dow | Gen. notes | c1650 - 1766 | D 2935 |
| MATTHEWS John | Coleraine / Ldy | Conveyance | c1875 | T 1214 |
| MATTHEWS Rebecca Mrs. | Ballysallagh / Dow | Lease of lands | c1810 | D 954 |
| MATTHEWSON family | Ardstraw / Tyr | Deeds, Test. papers | 1715 - c1820 | D 1495 |
| MAUDE C. H. | Lenaghan / Fer | Corresp. | c1810 - 1822 | D 3580 |
| MAUDE Estate | Cabragh / Tyr | Title deeds | c1750 - c1900 | D 1390 |
| MAUDE Estate | Lenaghan / Fer | Title deeds | c1750 - c1900 | D 1390 |
| MAWHINNEY John | Ship owner | Trading records | 1866 - 1880 | D 3125 |
| MAXWELL Estate | Ballyalloly / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballybrannagh / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballycroghan / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballygowan / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballygrainey / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballynacraig / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballyrenan / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Ballyrolley / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Bangor / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Dillon / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Dunnanelly / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Gawley / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Gransha / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Groomsport / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Inch / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Lisnamaul / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Loughfalcon / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | M'acranmoney / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Waringstown / Dow | Misc. papers | 1730 - 1947 | D 3244 |
| MAXWELL Estate | Lisnadil / Arm | Valuations | c1837 | D 902 |
| MAXWELL Ezekiel | Templemoyle / Ldy | Lease of lands | c1826 | T 1227 |
| MAXWELL family | Ballybrockey / Arm | Title deeds, leases | 1743 - 1824 | D 2784/17 |
| MAXWELL family | Ballydoo / Arm | Title deeds, leases | 1743 - 1824 | D 2784/17 |
| MAXWELL family | Carrickfergus / Ant | Pedigree | 1804 - 1910 | T 1195 |
| MAXWELL family | Clonleigh / Don | Title deeds | 1775 - 1851 | D 2290 |
| MAXWELL family | Co. Down | Will Extracts | D 1759 | |
| MAXWELL family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| MAXWELL family | Farnham / Cav | Blackwood pedigree | early17c - 1930 | Mic 315add |
| MAXWELL family | Finnebrogue / | Blackwood pedigree | early17c - 1930 | Mic 315add |
| MAXWELL family | Finnebrogue / Dow | Gen. notes | 1730 - 1926 | T 3599 |
| MAXWELL family | Lisbane / Arm | Title deeds, leases | 1743 - 1824 | D 2784/17 |
| MAXWELL family | Omagh / Tyr | Gen. notes | c1660 - c1940 | T 2090 |
| MAXWELL family | Omagh / Tyr | Gen. notes | from c1700 | T 2449 |
| MAXWELL family | Tamlaght / Arm | Title deeds, leases | 1743 - 1824 | D 2784/17 |
| MAXWELL Henry | Dromore / Dow | Will | c1816 | T 1307 |
| MAXWELL Henry | Finnbrogue / Dow | Executors accts | 1730 - 1738 | D 1749 |
| MAXWELL Henry | Finnbrogue / Dow | Marr. Dorothy Brice | 1730 - 1738 | D 1749 |
| MAXWELL John | Brigh / Tyr | Call to Presb. Churc | c1846 | T 2218 |
| MAXWELL John | Fellows Hall / Arm | Will | c1819 | T 1307 |
| MAXWELL John | Pre Will | c1804 | D 552 | |
| MAXWELL Robert | Farran Fad / Dow | 13th R.I. Rifles | 1914 - 1918 | D 2480 |
| MAXWELL Robert | Fellows Hall / Arm | Probate | c1820 | T 1307 |
| MAXWELL Robert | Finnbrogue / Dow | Marr. Ann Ward | c1741 | D 1749 |
| MAXWELL Robert | Finnebrogue / Dow | Letter/Lt.Maxwell | c1745 | D 906 |
| MAXWELL Robert | Glentogher / Don | Rent Book | 1819 - 1820 | D 2958add |
| MAXWELL Robert Estate | Belteagh / Arm | Rental | 1770 - 1771 | T 1307 |
| MAXWELL Samuel | Belfast | Masonic certificates | c1811 | T 3753 |
| MAXWELL William | Belfast | Masonic certificates | c1811 | T 3753 |
| MAXWELL-CLOSE Major | Acton / Arm | Rent receipt book | 1817 - 1818 | D 1607add |
| MAXWELL-CLOSE Estate | Drumbanagher / Arm | Tenants details | c1820 | T 3097 |
| MAY Edward Sir | Belfast | Deeds of partition | c1838 | T 1291 |
| MAY Estate | Antrim | Title deeds etc | 1701 - 1948 | D 2533 |
| MAY Estate | Belfast | Title deeds etc | 1701 - 1948 | D 2533 |
| MAY family | Belfast | Map | 1842 - c1890 | D 2966/89 |
| MAY family | Legoniel / Ant | I.L.C. papers etc. | late19c - ear20c | D 971 |
| MAY James C | Belfast | RIC Travel permit | c1918 | T 3182 |
| MAYNE Charles Meth. Preac | Donegall Sq. East | Lease of site | c1809 | D 666 |
| MAYNE family | Belfast | Letters from USA | 1895 - 1899 | T 2284 |
| MAYNE family | Cootehill / Cav | Misc. corresp. | 1788 - 1820 | D 1108C |
| MAYNE family | Freame Mount / Dow | Pedigree | 1679 - 1815 | D 3000/85 |
| MAYNE Matthew Sinclair | Belfast | Diaries, papers etc | 1915 - 1956 | D 3169 |
| MAZIERE David | Taghnevan / Arm | Rent agreement | c1774 | D 2258 |
| McADAM James | Belfast | Diaries | c1836 - 1844 | D 2930 |
| McADAM Robert | Belfast | Journal Scot. France | c1833 | D 2930 |
| McAFEE Estate | Bravallen / Ant | Title deeds | from c1767 | T 2201 |
| McAFEE John & Son | Belfast | Boot makers papers | 1858 - 1954 | D 3247 |
| McALEA Margaret | Seavaghan / Dow | Probate | c1888 | T 1610 |
| McALEER family | Omagh / Tyr | Pedigree | c1717 - 1954 | T 2672 |
| McALESTER family | Ballylesson / Dow | Pedigree | late 17c - c1973 | T 2263add |
| McALESTER family | Belfast | Pedigree | late 17c - c1973 | T 2263add |
| McALESTER family | Holywood / Dow | Pedigree | late 17c - c1973 | T 2263add |
| McALESTER C.J. Rev. | Holywood / Dow | Unitarian Sch. recs. | 1842 - 1885 | D 3686 |
| McALISTER Daniel | Cushendall / Ant | Acct. Book | 1850 - 1857 | D 1816 |
| McALISTER family | Cushendall / Ant | Family accts. etc. | c1900 | D 2187 |
| McALISTER family | Templepatrick / Ant | Gen. notes | 19c - early20c | D 3568add |
| McALPIN David Farmer | Mount Alexander / Dow | L of Admin goods | c1873 | D 3805 |
| McANALLY Elizabeth | Markethill / Arm | Re. petition | c1818 | D 1565 |
| McANENNY family | Dergbrough / Tyr | Leases etc. | 1774, 1778 | D 3733 |
| McANULTY family | Dergbrough / Tyr | Leases etc. | 1774, 1778 | D 3733 |
| McAREN Susan | Tattynacall / Fer | Domestic acct. bk. | 1901 - 1912 | T 1608 |
| McARTHUR Daniel | Novally / Ant | Freehold certificate | c1845 | T 1887 |
| McARTHUR Jane | Greenisland / Ant | Testimonials | 1868 - 1887 | D 2957 |
| McARTHUR William | Greenisland / Ant | Testimonials | 1868 - 1887 | D 2957 |
| McAULAY J. Rev. | Donaghadee / Dow | Legal costs | c1865 | D 1940 |
| McAULEY Alexander | Dunluce / Ant | Map | c1763 | D 2431add |
| McAULEY John | Ballywillin / Ldy | Lease of lands | c1735 | T 1545 |
| McAULEY Margaret Jane | Randalstown / Ant | Emig. letter | c1828 | D 3613 |
| McAULEY Mary Mrs. | Glenarm / Ant | Test. papers | 1868 - 1869 | T 3627 |
| McAULEY William Cartwright | Thomastown / Dow | Apprent. Indent. | c1835 | T 1543 |
| McAULEY/MacAULEY family | Ballymena / Ant | Gen. notes | 13c - 1953 | T 3627 |
| McAULEY/MacAULEY family | Glenarm / Ant | Gen. notes | 13c - 1953 | T 3627 |
| McAULEY/MacAULEY family | Slane,R'stown / Ant | Gen. notes | 13c - 1953 | T 3627 |
| McAUSLANE Oliver | Strabane / Tyr | Invite / Clan Chief | c1710 | D 1124 |
| McAVINSHY family | Killeen / Arm | Title deeds, leases | 1781 - 1897 | D 1524add |
| McAVOY family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| McBETH William | Drumbuoy / Don | Apprent. Indent. | c1874 | D 888 |
| McBRIDE family | B'ymagowan Lower/D | Title deeds, etc. | c1770 - 1940 | D 3336 |
| McBRIDE family | Derryaghy / Ant | Emig. letter | 1819 - 1927 | T 2613 |
| McBRIDE Thomas | Ballyministragh / Dow | Deed of Trust | c1869 | T 3116 |
| McBURNEY Alexander | Antrim / Ant | Copy Will / Probate | c1805 | T 3029 |
| McBURNEY family | Ballynaherty / Dow | Leases | 1766 | T 2101 |
| McBURNEY family | Rockcorry / Mon | Gen. notes | 17c - 1981 | D 3669 |
| McBURNEY John | Carstonstown / Dow | Map | 1814 | T 2003 |
| McBURNEY John | Ballynaherty / Dow | Map | 1817 | T 2003 |
| McCABE family | Belfast | Title deeds | 1753 - 1948 | D 1156 |
| McCABE family | Belfast | Gen. notes | 1801 - 1959 | D 1751 |
| McCADDEN family | Earl. St. Belfast | Title deeds, leases | 1878 - 1908 | D 3480 |
| McCALL Betty | Co Down | Deposition | Aug 1798 | D 714/3/35 |
| McCALL family | Lisburn / Ant | Gen. notes | 1804 - c1940 | D 1847 |
| McCALL Mary | Lurgan / Arm | Twice buried fame | c1695 | T 2838 |
| McCALLEARY Hugh | Ballyshannon / Don | Lease | c1799 | T 2664 |
| McCAMMON family | Downpatrick / Dow | Title deeds etc. | 1831 - 1944 | D 948 |
| McCAMMON John | Mullaghbrack / Arm | Copy Will | c 1788 | D 1594 |
| McCAMMOND family | Belfast | Corresp. | 1891 - 1892 | T 1542 |
| McCANCE David | Belfast | Richmond Lod/lease | 1844 - 1845 | D 742 |
| McCANCE Elizabeth Mrs | Seaforde / Dow | Letters | c1916 | D 965add |
| McCANCE Estate | Hillsborough / Dow | Title deeds etc. | 1672 - 1835 | D 2223 |
| McCANCE family | Ballylisbredan / Dow | Title deeds,leases | 1808 - 1874 | D 3791 |
| McCANCE family | Belfast | Gen. notes | 1801 - 1959 | D 1751 |
| McCANCE family | Belfast | Gen. notes | 1908 - 1913 | D 3000/38 |
| McCANCE family | Belfast | Gen. notes | 1744 - c1900 | T 3266 |
| McCANCE family | Dunmurray / Ant | Gen. notes | c1631 - 1943 | T 3266 |
| McCANCE family | Dunmurray / Ant | Gen. notes | from 1689 | T 2166add |
| McCANCE family | Dunmurray / Ant | Gen. notes | late17c - 1984 | T 3266add |
| McCANCE family | Knocknagoney / Dow | Title deeds | 1842 - 1885 | D 1128 |
| McCANCE family | Knocknagoney / Dow | Gen. notes | late17c - 1984 | T 3266add |
| McCANCE Finlay | Suffolk / Ant | Will | c1890 | D 752 |
| McCANCE John | Dunmurray / Ant | Journal | 1827 - 1856 | T 3266add |
| McCANCE John | Farmhill / Dow | Journal | 1827 - 1856 | T 3266 |
| McCANCE John | Suffolk / Ant | Gen. notes | 1827 - 1856 | T 2166 |
| McCANCE William | Ballycullo / Ant | Map | c1820 | D 3799 |
| McCANCE William | Belfast | Letter/ dau. Jane | 1857 - 1869 | Mic 158 |
| McCANCE William | Dunmurray / Ant | Map | c1820 | D 3799 |
| McCANCE Wm. Linen Merch | Ballyclare / Ant | Acct. bks. etc | 1796 - 1805 | D 823 |
| McCANN family | Banbridge / Dow | Title deeds | 1794 - c1927 | D1903 |
| McCANN family | Belfast | Title deeds | 1794 - c1927 | D1903 |
| McCANN family | Carrigullan / Dow | Title deeds, leases | 1750 - 1868 | D 3694 |
| McCANN family | Co. Down | Gen. tables, wills | 1757 - 1975 | T 3177 |
| McCANN family | Cultra / Dow | Title deeds / lands | 1842 - 1877 | D 675 |
| McCANN family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| McCANN family | Killinchy / Dow | Pedigree / Dow | c1700 - 1981 | D 3000/84 |
| McCANN family | Whiterock Ho. K'inchy | Gen. notes | 1724 - c1980 | D 3000/69,81 |
| McCANN P. A. | Bellaghy / Ldy | Corresp. / copyright | 1921 - 1930 | D 1077 |
| McCARDELL family | Co Antrim | Gen. notes | 1585 - 1965 | T 2605 |
| McCARLEY James | Knockboy / Ant | Emig. letter | c1824 | T 3655 |
| McCARRIN family | York St./Trafalgar St. Bel | Title deeds, leases | 1878 - 1908 | D 3480 |
| McCARRON Hugh | Upper D'skellan / Don | Map | c1798 | D 2958add |
| McCARTAN family | Antrim | Title deeds etc | 1886 - 1902 | D 1242add |
| McCARTAN family | Ballymoney / Dow | Title deeds | 1768 - 1889 | T 3555 |
| McCARTAN family | Pedigree | D 1471 | ||
| McCARTAN John | Marshallstown / Dow | Lease of lands | c1796 | T 1432 |
| McCARTER family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| McCARTER Estate | Strabane / Tyr | Title deeds etc | 1792 - 1896 | D 2298 |
| McCARTER James | Lurgan / Arm | Press cuttings Draper | 1902 - 1959 | T 1814 |
| McCARTNEY Charles Weaver | Newtownards / Dow | m. Sarah Irvine | c1848 | T 3552 |
| McCARTNEY Isaac | Belfast | Lease of Woods | c1707 | T 1420 |
| McCARTNEY Samuel J. J.P. | Ballymena / Ant | Test. papers, merch | c1906 | D 2792 |
| McCARTNEY Susanna | Newtownards / Dow | Bapt. certificate | c1853 | T 3552 |
| McCARTNEY Charles Reg. Quartermaster Sgt Royal Art. | Obituary notice | c1915 | T 3552 | |
| McCAUGHAN family | Co. Antrim | Gen. notes | 1897 - 1974 | T 3082add |
| McCAUGHAN family | North Antrim | Pedigree | 678BC - 1936 | T 1247 |
| McCAUGHEY John | Killymuck / Ldy | Estate dispute | c1925 | D 2587 |
| McCAULEY family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| McCAUSLAND Abraham | Appt. Tide Surveyor | c1786 | Mic 92 | |
| McCAUSLAND Andrew | Killymuck / Ldy | Will | c 1813 | T 2252 |
| McCAUSLAND Dominick Est | Tobermore / Ldy | Map | c1792 | T 1932 |
| McCAUSLAND family | Clonmore / Louth | Gen. notes | early18c - 1985 | D 3000/129 |
| McCAUSLAND family | Fruithill / Ldy | Pedigree | from 17c | T 2674 |
| McCAUSLAND family | Limavady / Ldy | I.L.C. papers | 1659 - 1920 | D 1550 |
| McCAUSLAND family | Limavady / Ldy | Pedigree | from 18c | T 2366 |
| McCAUSLAND family | St. Johnston / Don | Gen. notes, pedigree | ? | D 3000/119 |
| McCAUSLAND family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| McCAUSLAND family | Strabane / Tyr | Gen. notes | early18c - 1985 | D 3000/129 |
| McCAUSLAND family | Tamnyrankin / Ldy | Title deeds etc | 1881 - 1889 | D 2592 |
| McCAUSLAND John R. N. | Co Londonderry | Falmouth grave | c1840 | T 2752 |
| McCAUSLAND Martha | Stabane / Tyr | Copy will & probate | c1828 | D 2609 |
| McCAUSLAND Mary | Jackson's Hall, Colraine | Copy Will & Prob. | c1825 | D 642add |
| McCAUSLAND Redmond C. | Strabane / Tyr | Letters home 39th ft | 1888 - 1929 | D 1124 |
| McCAUSLAND Samuel Ltd. | Victoria St. Belfast | Business records | c1950 - 1975 | D 3136add |
| McCAUSLAND Samuel Ltd | Belfast | Business records | 1896 - 1963 | D 3136 |
| McCAVER Nicholas | Antrim / Ant | Copy Will | c1711 | T 2522 |
| McCAW family | Co. Down | Church records extr. | 1756 - 1923 | T 2699 |
| McCAW family | Lurgan / Arm | Pedigree | c1700 - 1956 | T 2005 |
| McCAW William | Saintfield / Dow | Execution of | 9th June 1798 | T 3042 |
| McCAY family | Co. Down | Church records extr. | 1756 - 1923 | T 2699 |
| McCHRYSTAL family | Edenballymore / Ldy | Title deeds / leases | 1865 - 1890 | D 2649 |
| McCLANAHAN family | N. Ireland | Gen. notes | 1741 - c1895 | T 2439 |
| McCLATCHEY family | Kinallen / Dow | Gen. notes | 1738 - 1834 | D 3000/89 |
| McCLATHIE Sarah | Motalee / Ldy | Conveyance | 1882 - 1883 | D 3471 |
| McCLAY family | Ant / Ldy / Tyr | Pedigree | c1600 - c1970 | T 2964 |
| McCLAY family | Belfast | Gen. notes | from 18c | D 3672 |
| McCLAY family | Co Londonderry | Pedigree | c1618 - c1950 | T 2964 |
| McCLAY family | Londonderry | Gen. notes | from 18c | D 3672 |
| McCLEAN Daniel | Reloagh / Tyr | Copy Will | 6 Jul 1830 | T 3226 |
| McCLEAN family | Ardee / Louth | Title deeds | 1789 - 1827 | T 2071 |
| McCLEAN family | Collon / Louth | Title deeds | 1789 - 1827 | T 2071 |
| McCLEAN family | Donaghmore / Tyr | Gen. notes, pedigree | ? | D 3000/119 |
| McCLEAN family | Dunaghy / Ant | Legal papers | 1838 - 1843 | T 3284 |
| McCLEAN Marcus | Ballymore / Ldy | Copy Will | c1876 | T 1925 |
| McCLEERY family | Kilrea / Ldy | Rent & farm accts. | c1800 - 1913 | D 974 |
| McCLEERY family | Portaferry / Dow | Corresp. | 1813 - 1885 | T 3103 |
| McCLEERY Mrs | Portaferry / Dow | Emig. letter | c1829 | T 2476 |
| McCLELAND Elizabeth | Dunronan / Ldy | Letters | 1840 - 1841 | T 3034 |
| McCLELLAN Edward | Poyntzpass / Arm | N'bk bir,mar,deaths | 1829 - 1843 | D 3536 |
| McCLELLAND property | Tavanagh / Arm | Title deeds, leases | c1877 | D 3805 |
| McCLELLAND A | Co Down | Formation/Orange Or | T 1023/144 | |
| McCLELLAND family | Armagh / Arm | Rentals etc. | 1894 - 1960s | D 3260 |
| McCLELLAND family | Banbridge / Don | Misc. papers | ? | D 3805 |
| McCLELLAND family | Belfast | Misc. papers | ? | D 3805 |
| McCLELLAND family | Co. Tyrone | Gen notes | 1740 - c1860 | T 2090 |
| McCLELLAND family | Coleraine / Ldy | Lease of properties | 1790 - 1923 | D 713 |
| McCLELLAND family | Donegore / Tyr | Emig. letters | 1821 - 1835 | D 1005 |
| McCLELLAND James | Drummond / Ldy | Assignment lands | c1899 | T 1214 |
| McCLELLAND James | Tullyrain / Dow | Copy Will | c1811 | D 1486 |
| McCLELLAND John | Ballynanny / Dow | Bond | c1839 | T 1200 |
| McCLELLAND Joseph | Aughnagurgan / Arm | Title deeds, leases | 1817 - 1842 | D 3516 |
| McCLELLAND Joseph | Gallagh / Mon | Title deeds, leases | 1817 - 1842 | D 3516 |
| McCLELLAND Joseph | Kilcrow / Mon | Title deeds, leases | 1817 - 1842 | D 3516 |
| McCLELLAND Joseph | Shanmullagh / Mon | Title deeds, leases | 1817 - 1842 | D 3516 |
| McCLELLAND Robert | Ballyievy / Dow | Encumbered sale | 19 Apr 1852 | D 1201/23/15 |
| McCLELLAND William | Derrylane / Ldy | Testam. papers | 1890 - 1898 | D 1712 |
| McCLENAGHAN family | Drumlough / Dow | bus/est. papers | 1787 - 1962 | D 3025 |
| McCLENAGHAN family | Legananny / Dow | bus/est. papers | 1787 - 1962 | D 3025 |
| McCLENAGHAN family | Newry / Dow | bus/est. papers | 1787 - 1962 | D 3025 |
| McCLENAGHAN family | Rathfryland / Dow | bus/est. papers | 1787 - 1962 | D 3025 |
| McCLENAGHAN family | Roscommon / Dow | bus/est. papers | 1787 - 1962 | D 3025 |
| McCLENAHAN James | Newry / Dow | Merch. acct. book | 1824 - 1830 | D 2340 |
| McCLENAHAN James M. | Legananny / Dow | Acct. book | 1846 - 1889 | D 2340 |
| McCLINTOCK Estate | Seskinore / Tyr | Correspondence | c1800 - c1900 | D 1716 |
| McCLINTOCK family | Hamstead, S'tallow/Ldy | Gen. notes | early18c - 1985 | D 3000/129 |
| McCLINTOCK family | Lettermuck / Ldy | Title deeds | 1727 - 1861 | D 3608 |
| McCLINTOCK family | Londonderry | Family letters | c1740 - c1794 | T1638,D1086 |
| McCLINTOCK family | Londonderry | Family letters | c1740 - c1794 | T1660,Mic24 |
| McCLINTOCK family | Londonderry / Ldy | Misc. papers | 1808 - 1910 | D 2298add |
| McCLINTOCK family | Londonderry City | Title deeds | 1727 - 1861 | D 3608 |
| McCLINTOCK family | Rathdonnell / Don | Title deeds | 1727 - 1861 | D 3608 |
| McCLINTOCK family | Seskinore / Tyr | Title deeds etc. | 1670 - 1922 | D 1024 |
| McCLINTOCK family | Seskinore / Tyr | Press cuttings | c1890 - c1930 | T 2153 |
| McCLINTOCK family | Seskinore / Tyr | Scrap books etc. | from c1890 | D 1711 |
| McCLINTOCK Henry | Dundalk / Louth | Tax Collector notes | 1805 - 1848 | D 3580 |
| McCLINTOCK Henry | Lettermuck / Ldy | Map | c1791 | D 2298add |
| McCLINTOCK James | Lettermuck / Ldy | Map | c1773 | D 2298add |
| McCLINTOCK James | Rathskerry / Ant | Probate | c1895 | D 782 |
| McCLINTOCK R. | Londonderry | Divorce papers | c1888 | D 2753 |
| McCLINTOCK William | Tullycunny / Tyr | Lease | c1803 | T 3199add |
| McCLINTOCK George A. J. Capt | Drumcar / Louth | ms Cath. CB Stronge | c1850 | D 3790 |
| McCLORG Ann | Templemoyle / Ldy | Emig. letters | 1787 - 1794 | T 1227 |
| McCLORG David | Templemoyle / Ldy | Lease of lands | c1826 | T 1227 |
| McCLORG family | Templemoyle / Ldy | Rent receipts | 1767 - 1849 | T 1229 |
| McCLORG family | Templemoyle / Ldy | Emig. letters | 1819 - 1826 | T 1227 |
| McCLORG family | Templemoyle / Ldy | Emig. letters | 1820 - 1837 | T 1227 |
| McCLORG ( McLURG ) family | Templemoyle / Ldy | Emig. letters | 1787 - 1837 | T 1277add |
| McCLORG David & Alexander | Templemoyle / Ldy | Tithes receipts | 1804 - 1830 | T 1227 |
| McCLOSKEY family | Dungiven / Ldy | I.L.C. Accts | 1894 - 1924 | D 1922 |
| McCLOSKEY Henry | Dungiven / Ldy | Conveyance/Tirnony | c1872 | D 872 |
| McCLOSKEY James | Keely / Ldy | Conveyance/Tirnony | c1872 | D 872 |
| McCLOY David | Ballymena / Ant | Typed diary | 1832 - c1917 | T 2515 |
| McCLOY family | Ned / Ldy | Lease land Dromore | c1824 | T 1506 |
| McCLOY family | Oghill / Ldy | Lease land Dromore | c1853 | T 1506 |
| McCLUGHAN Daniel | Newtownards / Dow | Corn Mill lease | c1763 | D 730 |
| McCLURE David | Derryhollagh / Ant | Probate | c1884 | D 782 |
| McCLURE family | Ardstraw / Tyr | Deeds, Test. papers | 1715 - c1820 | D 1495 |
| McCLURE family | Cloghogle / Tyr | Title deeds | 1726 - 1857 | D 3608 |
| McCLURE family | Clontonakelly / Dow | Misc. papers | 1701 - 1960 | D 2908 |
| McCLURE family | Derryhollagh / Arm | Emig. letters | c1850 - 1859 | T 3102 |
| McCLURE family | Killycapple / Arm | Title deeds, leases | 1783 - 1837 | D 3587 |
| McCLURE family | Knockanavery / Ant | Title deeds | 1819 - 1867 | D 2880 |
| McCLURE family | Knockbracken / Dow | Misc. papers | 1701 - 1960 | D 2908 |
| McCLURE family | Magheraboy / Ant | Title deeds | 1819 - 1867 | D 2880 |
| McCLURE family | Monlough / Dow | Misc. papers | 1701 - 1960 | D 2908 |
| McCLURE George RN Surg. | Belfast | Pers. papers | 1817, 1823 | D 1746add |
| McCLURE James | Londonderry | Administration | c1860 | D 1015 |
| McCLURE S. J. | Kemmel Front / Belgium | 110th Field Ambul | c1917 | D 3529 |
| McCLURE Thomas Sir | Ballycloghan / Dow | Sale particulars | c1902 | D 2179 |
| McCLURE Thomas Sir | Strandtown / Dow | Sale particulars | c1902 | D 2179 |
| McCLURE Thomas Sir | Donaghadee / Dow | Lease | from 1828 | D 1137 |
| McCLURE Thomas Sir | Ballycloghan / Dow | Legal papers | 1874 - c1920 | D 1137 |
| McCLURG family | Crossgar / Dow | Test. papers etc. | 1892 - 1922 | D 2893 |
| McCLURG Joseph Plasterer | Downpatrick / Dow | Acct. book | 1899 - 1908 | D 3651 |
| McCLURG/McCLORG family | Leck / Ldy | Title deeds, leases | 1865 - 1880 | T 1227add |
| McCLURG/McCLORG family | Templemoyle / Ldy | Title deeds, leases | 1865 - 1880 | T 1227add |
| McCOLGAN family | Strabane / Tyr | Pedigree | c1800 - c1963 | T 2585 |
| McCOLLUM Esther Mrs | Magherafelt / Ldy | Lease | c1869 | D 2784/3 |
| McCOLUM John | Ballytirrim / Ant | Counterpart lease | 25th Oct 1678 | T 3341 |
| McCOMB David | Drumaroad / Dow | Copy Will | c1851 | T 1892 |
| McCOMB family | Larne / Ant | Gen. notes | c1840 - 1963 | T 2103 |
| McCOMB Hugh | North Down | Informer/rebellion | c1798 | D 3579 |
| McCOMB Margaret | Drumaroad / Dow | Will | c1808 | T 1892 |
| McCOMB William | Milltown / Tyr | Land dispute | c1882 | D 3537 |
| McCOMBE Alexander | Drumgreenagh / Arm | Land judge's rental | c1890 | D 958 |
| McCOMBE Alexander | Tullyvallan / Arm | Land judge's rental | c1890 | D 958 |
| McCOMBE Sarah | Tullyvallan / Arm | Conveyance | 1840 | D 1217 |
| McCOMBE Thomas | Tullyvallan / Arm | Conveyance | 1840 | D 1217 |
| McCONAGHY Robert | Ballintoy / Ant | Emig. letters | c1859 | D 2007 |
| McCONNELL family | Kingsbog / Ant | Draft conveyance | ? | D 1349add |
| McCONNELL Hugh | Tullynagardy / Dow | Obit. notice | c1909 | T 1907 |
| McCONNELL Ann | Cattogs / Dow | Will extracts | c1825 | D 2908 |
| McCONNELL family | Ballygortgarve / Ant | Legal corresp. | 1858 - 1908 | D 2051 |
| McCONNELL family | Ballymacreelly / Dow | Title deeds, leases | 1780 - 1877 | D 3694 |
| McCONNELL family | Ballymacrevan / Ant | Legal corresp. | 1858 - 1908 | D 2051 |
| McCONNELL family | Tullynagardy / Dow | Leases | 1790 - 1884 | D 2588 |
| McCONNELL J. A. | Downpatrick / Dow | Cash Book | 1916 - 1921 | D 1219 |
| McCONNELL John | Tullyvallan / Arm | Conveyance | 1840 | D 1217 |
| McCONNELL R. J. Co. | Belfast | Estate Agent's recor | 1940 - 1960 | D 2556add |
| McCONNELL R.J. & Co | Belfast | Surveyors records | 1888 - 1941 | D 2964 |
| McCONVILLE Bernard | Ballynagarrick / Dow | Writ | c1843 | D 2615 |
| McCONVILLE family | Gilford / Don | Corresp. | 1856 - 58, 77 | T 3766 |
| McCONVILLE family | Lurgan / Arm | Corresp. | 1856 - 58, 77 | T 3766 |
| McCORD Sarah Miss | 10 College Gdns. Belfast | Settlement / Estate | 1825 - 1838 | D 3152 |
| McCORKELL family | Ballyarnet / Ldy | Title deeds | c1804 - 1923 | D 2035 |
| McCORKELL family | Londonderry | Title deeds etc | c1804 - 1923 | D 2035 |
| McCORKELL Property | Ballygarnet / Ldy | Farm acct. bk. | 1905 - 1921 | D 3770 |
| McCORKELL Property | Cloughglass / Ldy | Farm acct. bk. | 1905 - 1921 | D 3770 |
| McCORKELL William & Co | Londonderry | Shipping accts etc | 1855 - 1859 | T 2511 |
| McCORMACK Hamilton Edm | Belfast | Copy Will & probate | c1859 | D 3517 |
| McCORMACK Joseph | Cookstown / Tyr | Conveyance | 1858 | D 1317 |
| McCORMACK/MICK family | Belfast | Test. papers etc. | 1783 - 1888 | D 3517 |
| McCORMICK David Draper | Ballylisbredan / Dow | Copy Will | c1808 | D 3791 |
| McCORMICK family | Ballylisbredan / Dow | Title deeds,leases | 1808 - 1874 | D 3791 |
| McCORMICK family | Cookstown / Tyr | Title deeds | 19c - 20c | D 2658add |
| McCORMICK family | Knocknagoney / Dow | Leases,legal papers | 1743 - 1905 | D 851 |
| McCORMICK Francis | Co Down | Deposition | Aug 1798 | D 714/3/27 |
| McCORMICK J. Agent | Ballycastle / Ant | Diaries | 1872 - 1946 | D 2082 |
| McCORMICK John | Mulnagore / Tyr | Poem/J.Ross's Wake | c1850 | T 1569 |
| McCORMICK John Ship Carp | Belfast | L of Admin goods | c1880 | D 3805 |
| McCORMICK Michael | Belfast | Conveyance/ Layd | c1835 | T 1331 |
| McCORMICK William | Belfast | Auctioneer's record | 1871 - c1960 | D 2971 |
| McCORMICK William | Belfast | Orange Order meet. | c1870 | D 930 |
| McCORMICK Wm. Solicitor | Belfast | Property corresp. | c1875 | D 1102 |
| McCORMICK Robert Labourer | Belfast | L of Admin goods | c1880 | D 3805 |
| McCORT family | Crossmurrin / Fer | Gen. notes | c1750 - c1960 | T 2592 |
| McCOSKER Felix | Bracaghreilly / Ldy | Lease | c1877 | D 3464 |
| McCOUGHTREY William | Killynure / Dow | Copy Will & Prob. | c1896 | D 3439add |
| McCOWAN family | Larne / Ant | Title deeds etc. | 1738 - 1875 | D 3836 |
| McCOWBREY Robert | Ballymacarn / Dow | Writ/Corn grinding | c1749 | D 853 |
| McCOY family | Corboe / Tyr | Test. papers | 1831 - 1853 | D 1444 |
| McCOY Robert John | Sistrakeel / Ldy | I.L.C. papers | c1895 | T 1506 |
| McCRABB family | Altaghaderry / Don | Pedigree | mid 18c | T1264add |
| McCRACKEN family | Belfast | Corresp. | 1797 - 1798 | T 1210 |
| McCRACKEN family | Dungiven / Ldy | Gen. notes | compiled c1965 | T 2212 |
| McCRACKEN Hugh | Ballyrickard / Dow | Copy Will | c1876 | D 2507 |
| McCRACKEN James | Ringcreevy / Dow | Lease/ Drumhirk | c1857 | D 3743 |
| McCRACKEN John | Dromore / Dow | Will | c1828 | T 1204 |
| McCRACKEN Mary | Ballymacarret / Dow | Lease | c1828 | D 3058 |
| McCRACKEN W.J. | Castlewellan / Dow | Census Extract | c1851 | T 3342 |
| McCRACKEN William | Belfast | Letters of Admin. | c1815 | T 3621 |
| McCRACKEN Henry Joy | Ballymacarret / Belfast | Title deeds etc | 1786 - 1942 | D 3048 |
| McCRACKEN Henry Joy | Holywood / Dow | Title deeds etc | 1786 - 1942 | D 3048 |
| McCREA family | Irvinestown / Fer | Pedigree | from 17c - c1950 | D 3000/103 |
| McCREA family | Strabane / Tyr | Title deeds etc. | c1839 - c1900 | D 2298 |
| McCREA John | Leck / Tyr | Emig. letters | 1848 - 1856 | D 2298 |
| McCREERY John | Markethill / Arm | Title deeds, leases | 1825 - 1858 | D 2784/17 |
| McCREEVY William | Gransha / Dow | Lease of land | c1740 | D 730 |
| McCREIGHT Andrew | Bannvale / Dow | Copy Will | c 1784 | D 1594 |
| McCREIGHT family | Co Down | Gen. notes | from 17c | T 2648 |
| McCREIGHT family | Co. Donegal | Pedigrees etc. | 16c - c1960 | D 3000/41 |
| McCREIGHT family | Gilford / Dow | Copy Title deeds | 1691 - 1935 | D 2839 |
| McCRORY family | Duneane / Ant | Gen. notes | c1881 | T 2039 |
| McCRORY Father | France Connaught Rgs. | Diaries | 1914 - 1917 | D 1868 |
| McCROSSAN family | Strabane / Tyr | Pedigree | c1800 - c1963 | T 2585 |
| McCRUDDEN Samuel & Co. | Belfast | Business records | 1939 - 1960 | D 2306 |
| McCRUM Co. | Milford / Arm | Letter books | 1861 - 1899 | D 2518 |
| McCRUM family | Carnmoney / Ant | Gen. notes | 1630 - 1920 | Mic 104 |
| McCRUM family | Carnmoney / Ant | Pedigree | c1700 - c1900 | T 1663 |
| McCRUM family | Silverstream / Ant | Gen. notes | 1630 - 1920 | Mic 104 |
| McCULLAGH Andrew | Slieveroe / Mon | Will | c1897 | T 1752 |
| McCULLAGH family | Ballybay / Mon | Title deeds | 1801 - 1953 | D 1968 |
| McCULLAGH family | Drummuck / Mon | Registry searches | 1812 - 1883 | D 3012add |
| McCULLEN family | Downpatrick / Dow | Test. papers, corresp | 1850 - 1884 | D 738 |
| McCULLOCH Henry | Ballyverton / Ldy | Map | c1771 | D 2298add |
| McCULLOCH Henry | Lettermuck / Ldy | Map | c1771 | D 2298add |
| McCULLOUGH family | Ardaghy / Dow | Test. papers | 1857 - 1888 | D 1457 |
| McCULLOUGH family | Greyabbey / Dow | Test. papers | 1745 - c1930 | D 2473 |
| McCULLOUGH family | Holywood / Dow | Test. papers | 1745 - c1930 | D 2473 |
| McCULLOUGH family | Newtownards / Dow | Title deeds etc | 1899 - 1917 | D 2592 |
| McCULLOUGH James | Armagh City | Rentals etc | 1897 - 1950 | D 1607add |
| McCULLOUGH James | Drumgaw / Arm | Rentals etc | 1897 - 1950 | D 1607add |
| McCULLOUGH James | Knockraven / Arm | Rentals etc | 1897 - 1950 | D 1607add |
| McCULLOUGH William & Co | Belfast | Linen merch. accts | 1920 - 1947 | D 1189 |
| McCULLY family | Newtownards / Dow | Pedigree | 15c - c1980 | D 3000/112 |
| McCULLY family | Annahilt / Dow | Revised pedigree | 1451 - 1983 | T 1766add |
| McCULLY family | Ballyhaft / Dow | Pedigree | late 17c - c1973 | T 2263add |
| McCULLY family | Belfast / Ant | Pedigree | late 17c - c1973 | T 2263add |
| McCULLY family | Dromara / Dow | Gen. notes | 1710 - 1850 | T 1766 |
| McCULLY family | Dromore / Dow | Revised pedigree | 1451 - 1983 | T 1766add |
| McCULLY family | Dromore / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| McCULLY family | Dromore / Dow | Gen. notes | 1710 - 1850 | T 1766 |
| McCULLY family | Drumrane / Ldy | Cards/In Memoriam | 1863 - 1934 | T 1639 |
| McCULLY family | Newtownards / Dow | Revised pedigree | 1451 - 1983 | T 1766add |
| McCULLY family | Newtownards / Dow | Gen. notes | 1660 - 1811 | T 2263 |
| McCULLY family | Newtownards / Dow | Pedigree | late 17c - c1973 | T 2263add |
| McCULLY family | Sheeptown / Dow | Revised pedigree | 1451 - 1983 | T 1766add |
| McCULLY family | Tully / Tyr | Gen. notes | 1825 - 1932 | T 1608 |
| McCUNE family | Tandragee / Arm | Pedigrees | 1690 - 1930 | T 2633 |
| McCUNE William | Glasdrumman / Dow | Lease of lands | c1858 | D 809 |
| McCURDY family | Ballintoy / Ant | Gen. notes | from 16c | D 3000/70add |
| McCURDY family | Bushmills / Ant | Gen. notes | from 16c | D 3000/70add |
| McCURDY family | Rathlin Island / Ant | Gen. notes | from 16c | D 3000/70add |
| McCURDY family | Ballintoy / Ant | Family history | 15c - c1900 | D 3000/70add |
| McCURDY family | Ballintoy / Ant | Family history | from 1863 | D 3000/70 |
| McCURDY family | Ballyconnell / Cav | Family history | 15c - c1900 | D 3000/70add |
| McCURDY family | Bushmills / Ant | Family history | 15c - c1900 | D 3000/70add |
| McCURDY family | Bushmills / Ant | Family history | from 1863 | D 3000/70 |
| McCURDY family | Carnmore / Ant | Family history | 15c - c1900 | D 3000/70add |
| McCURDY family | Carnmore / Ant | Family history | from 1863 | D 3000/70 |
| McCURDY family | Rathlin Island / Ant | Family history | 15c - c1900 | D 3000/70add |
| McCURDY family | Rathlin Island / Ant | Family history | from 1863 | D 3000/70 |
| McCUTCHEON family | Fincarn / Ldy | Pedigree | 1663 - 1893 | T 2439 |
| McCUTCHEON Joseph Dr. | Tirbracken / Ldy | Title deeds | 1876 - 1882 | T 2514 |
| McDANIEL family | Loughaus / Tyr | Gen. notes | mid18c - 1985 | D 3000/122 |
| McDEVITT Hugh | Ardrumman / Don | Eviction | c1856 | D 3017 |
| McDONALD John | Newtownards / Dow | Jotter accts. s'maker | 1923 - 1955 | D 3593 |
| McDONALD Alexander | Belfast | Unpublished novel | c1933 | D 1349 |
| McDONALD Allan | Larne / Ant | Estate agent papers | c1860 - 1910 | D 1242 |
| McDONALD family | Annasaury / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Ballinamallard / Fer | Pedigree | 1761 - 1833 | T 1197 |
| McDONALD family | Bovean / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Cloven Eden / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Cohannon / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Derrycoose / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Eagralougher / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Laghey / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD family | Tempauroe / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| McDONALD William Private | Tasmania | Letters home | c1843 | D 1003/4 |
| McDONELL family | Newry / Dow | Gen. notes | c1786 | T 2305add |
| McDONNELL Alexander | Glenarm / Ant | Lease | c1679 | T 1403 |
| McDONNELL Estate | Ballydrumman / Dow | Micsc. papers | c1850 - 1920 | D 1242 |
| McDONNELL Estate | Shanrod / Dow | Micsc. papers | c1850 - 1920 | D 1242 |
| McDONNELL family | Annadale Ho. Belfast | Misc. papers | c1800 - c1960 | D 3597 |
| McDONNELL family | Ballyfinragh / Dow | Acct. book | c1800 - 1839 | D 740 |
| McDONNELL family | Ballywallon / Dow | Title deeds lands | 1829 - 1867 | D 685 |
| McDONNELL John Col. | Kilmore / Ant | Will | c1901 | T 1331 |
| McDOUGALL family | Cookstown / Tyr | Pedigree | c1818 - c1912 | T 2663 |
| McDOWALL family | Banbridge / Dow | Gen. notes | c1700 - c1850 | D 1109 |
| McDOWALL Samuel | Augher / Tyr | Will | c1833 | T 2590 |
| McDOWEL William | Motalee / Ldy | Sale | c1828 | T 2583 |
| McDOWELL Christopher | Ballymaconaghy / Dow | Flax Mill lease | c1869 | T 1825 |
| McDOWELL family | Beltoy / Ant | Lease,copy mortg. | 1858, 1885 | D 3720 |
| McDOWELL family | Coleraine / Ldy | Lease of properties | 1790 - 1923 | D 713 |
| McDOWELL family | Drumbanagher / Arm | Gen. notes | c1800 - c1930 | T 2032 |
| McDOWELL family | Newry / Dow | Corresp. etc. | 1786 - 1865 | T 2305 |
| McDOWELL M Y Mrs | Cloonarrell Lower / Don | Statement of title | 1766 - 1894 | D 3035add |
| McDOWELL M Y Mrs | Cloonarrell Upper / Don | Statement of title | 1766 - 1894 | D 3035add |
| McDOWELL Robert John | Belfast | Copy Will | c1896 | D 2700 |
| McDOWELL W. Grocer | Moy / Tyr | Acct. books | 1884 - 1951 | D 2727 |
| McELBOROUGH R. | Coolfin St. Belfast | Diaries Gas Industry | 1884 - 1949 | D 770 |
| McELDERRY family | Ballymoney / Ant | Gen. notes | from 1690 | Mic 57 |
| McELDERRY family | Leitrim / Ant | Letters | 1795 - 1798 | Mic 57 |
| McELDERRY Robert | Leitrim / Ant | Map | late 1820s | Mic 57 |
| McELHINNEY family | Aghalatty / Don | Gen. notes | mid18c - 1985 | D 3000/122 |
| McELHINNEY family | Clonmore / Don | Gen. notes | mid18c - 1985 | D 3000/122 |
| McELROY family | Annasaury / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McELROY family | Antrim / Ant | Gen. notes | 1788 - c1895 | T 1808 |
| McELROY family | Cloven Eden / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McELROY family | Derrycoose / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McELROY family | Eagralougher / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McELROY Patick | Tempanroe / Tyr | Lease | c1794 | T 2517 |
| McELROY Patrick | Tempanroe / Tyr | Copy Will | c 1800 | D 3047 |
| McELWEE family | Strabane / Tyr | Pedigree | 1750 - 1900 | T 1463 |
| McENDOO family | Ballintaggart / Dow | Title deeds etc. | 1880 - 1929 | D 2562 |
| McERLANE family | Belfast | Gen. notes | c1800 - 1977 | T 3543 |
| McERLANE family | Downingstown / Ldy | Gen. notes | c1800 - 1977 | T 3543 |
| McERLEAN family | Clady / Ant | Family history | c1850 - 1930 | D 3000/54 |
| McFADDEN Elinor | Cotton / Dow | Family bequests | c1848 | T 1789 |
| McFADDIN Thomas Dr. | Ballykeel / Dow | Letter/Brackinridge | c1779 | T 1344 |
| McFALL family | Ballycraig / Ant | Title deeds, leases | 1778 - 1902 | D 2738add |
| McFARLAND family | Ballyarnot / Ant | Title deeds | 1864 - 1890 | D 1242add |
| McFARLAND family | Walworth / Ldy | Lease for farm | c1753 | T 1706 |
| McFARLAND John Sir | Co. Londonderry | Misc. papers | from 1905 | D 3703 |
| McFARLAND James | Upper Badoney / Omagh | Rent receipts etc. | c1850 - 1886 | T 3482 |
| McFARLANE family | Ballycolman / Tyr | Test. papers,deeds | 1861 - 1916 | D 2298add |
| McFEETERS family | Raphoe / Don | Pedigree | c1700 - 1962 | T 2747 |
| McFERRAN family | Belfast | Title deeds | 1824 - 1912 | D 1905add |
| McFERRAN family | Belfast | Title deeds | 1824 - 1912 | D 1905add |
| McFERRAN William | Drumnahoe / Ant | Acct. Book | 1870 - 1889 | D 1793 |
| McFETRIDGE Hardware | Ballymena / Ant | Accts. etc | 1831 - 1880 | D 1921 |
| McFETRIDGE family | Coleraine / Ldy | Test. papers | 1837 - 1936 | D 992 |
| McGACHEY family | Cookstown / Tyr | Conveyance | 19c - 20c | D 2658add |
| McGARRIGLE family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| McGAW family | Ballyvessey / Ant | Leases | 1801 - 1817 | D 1646 |
| McGAW John | Carnmoney / Ant | Arbitrator appoint | c1826 | D 3140add |
| McGAW William | Carnmoney / Ant | Emig. letters | 1856 - 1884 | T 2546 |
| McGAWAN family | Co. Down | Will Extracts | D 1759 | |
| McGEAGH Robert Unionist | Belfast | Speeches | 1868, 1889 | T 1353 |
| McGEE Thomas | Derryrona Glebe / Fer | USA Emigrant | late 19c | T 3277add |
| McGEOUGH family | Newry / Dow | Title deeds | 1778 - 1855 | D 3480add |
| McGEOUGH Joshua | Drumarg / Arm | Lease of land | c1789 | T 2846 |
| McGEOUGH Joshua | Drumsill / Arm | Copy Will | c1755 | Mic 78 |
| McGEOUGH Joshua | Drumsill / Arm | Conveyance | c1803 | D 3012add |
| McGEOWN Joseph | Kilmore / Dow | Wages book | 1905 - 1906 | T 2834 |
| McGHEE James | Drumhirk / Tyr | Eviction | c1811 | T 2854 |
| McGIFFERT family | Downpatrick / Dow | Emig. corresp. | 1849 - 1858 | T 3388add |
| McGIFFERT family | Portaferry / Dow | Emig. corresp. | 1849 - 1858 | T 3388add |
| McGIFFERT John Stewart | New Zealand | Register of deaths | c1901 | T 3388 |
| McGIFFORD John | Ringhaddy / Dow | m. Anne Shields | c1870 | T 3388 |
| McGILDOWNY family | Ballycastle / Ant | Misc. papers | late 19c early20c | D 1062 |
| McGILDOWNY family | Ballycastle / Ant | Title deeds etc. | c1740 - 1914 | D 1375 |
| McGILDOWNY family | Ballycastle / Ant | Rentals, maps etc. | mid18c - late19c | T1574/D1011 |
| McGILL John | Gilford / Dow | Letters patent | c1669 | T 1282 |
| McGILLEN family | Dergbrough / Tyr | Leases etc. | 1774, 1778 | D 3733 |
| McGILLIGAN family | Castlerock / Ldy | Photos. | c1880 | T 3583 |
| McGILLY Grocery | Annaghmore / Arm | Accts. etc | 1860 - 1930 | D 1849 |
| McGINITY family | Newtownhamilton / Arm | Emig letter | mid 1840's | T 3539 |
| McGINLEY F.B. | Belfast | Memoirs / Elect. Eng | c1900 - c1914 | T 3580 |
| McGIRR property | Ballygawley / Tyr | Corresp. | c1860 - c1950 | D 2607 |
| McGLENNON family | Ballystokes / Dow | Emig. letters | 1874 - 1902 | D 3489 |
| McGLENON family | Erenagh / Dow | Title deeds / lands | 1831 - 1855 | T 1437 |
| McGLENON family | Marshallstown / Dow | Title deeds / lands | 1831 - 1855 | T 1437 |
| McGLOUGHLIN John | Monaghan / Mon | Copy Will | c1810 | Mic 426 |
| McGOWAN family | Aghagallon / Ant | Title deeds | 19c | D 2489add |
| McGOWAN Patrick | Lisburn / Ant | Receipt | c1808 | D 2586 |
| McGOWAN Samuel | Glasgow | Medical Degree | 1831 - 1832 | T 1818 |
| McGRATH Bernard | Carntressy / Don | List of Teachers | c1930 | T 3571 |
| McGRATH family | Co. Fermanagh | Gen. notes | c1718 | T 1875 |
| McGRAW family | Ballygowan / Dow | Misc. papers | 1801 - 1926 | D 2633 |
| McGROGAN Bernard | Antrim / Ant | Eviction of | 1889 - 1903 | D 741 |
| McGUCKIAN family | Artiferral / Ant | Rent receipts etc. | 1848 - c1881 | T 2081 |
| McGUFFIN Richard | Ballynacraig / Dow | Church St. Newry | D 2536 | |
| McHENRY family | Dunarnon / Ldy | Title deeds, Test. | 1836 - 1941 | D 3666add |
| McHENRY family | Owenreagh / Ldy | Title deeds, Test. | 1836 - 1941 | D 3666add |
| McHENRY family | Sixtowns / Ldy | Acct. books | 1797 - 1898 | T 3232 |
| McHENRY J. L. Rev | Culduff / Don | Letters | 1834 - 1846 | Mic 25 |
| McILDOON James | Belfast | Eng. Soc. M'ship | c1854 | D 3092 |
| McILHARGY family | Ballycraig / Ant | Title deeds, leases | 1778 - 1902 | D 2738add |
| McILHERON family | Bright / Dow | Conveyance | c1861 | T 1219 |
| McILHERON family | Downpatrick / Dow | Legal fees etc. | c1872 | D 968 |
| McILPATRICK Allen | Drumsaragh / Ldy | Conveyance of lands | c1900 | D 872 |
| McILRATH Rebecca Mrs | Portglenone / Ant | L of Admin | c1875 | D 3410 |
| McILRETH William | Lisnabraugh / Ant | Leases | c1763 | T 1559 |
| McILROY Clark | Glenback / Ldy | Farm, map & surrey | c1862 | D 2052 |
| McILROY Clark | Inchadoghill / Ldy | Farm, map & surrey | c1862 | D 2052 |
| McILROY Clark | Landagivey / Ldy | Farm, map & surrey | c1862 | D 2052 |
| McILROY family | Annasaury / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McILROY family | Ballymena / Ant | Boot/Shoe Merch | 1896 - 1954 | D 3069 |
| McILROY family | Cloven Eden / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McILROY family | Derrycoose / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McILROY family | Eagralougher / Arm | Title deeds, leases | 1654 - 1911 | D 3047 |
| McILROY John | Carrickfergus / Ant | Merch. Navy certs | c1900 | D 2143 |
| McILROY Nisholas | Marshallstown / Dow | Lease of lands | c1796 | T 1432 |
| McILVEEN Gilbert | Belfast | Will | c1831 | D 692 |
| McILWAINE family | Belfast | Misc Papers | c1836 - 1922 | D 2877 |
| McILWRATH family | Ballymacarret / Dow | Title deeds etc. | 1738 - 1875 | D 3836 |
| McILWRATH Thomas Rev. | Newtownards / Dow | Corresp. | c1901 - c1905 | D 1195add |
| McILWRATH Thomas Rev. | Newtownards / Dow | Corresp. | 1840 - 1948 | D 1195 |
| McILWRATH William Rev. | Newtownards / Dow | Corresp. | 1840 - 1948 | D 1195 |
| McINDOE Henry | Londonderry | Copy Will & Probate | c1906 | T 3683 |
| McINDOE Henry Painter | Londonderry | Sales ledger | 1893 - 1903 | D 3756 |
| McINTIRE family | Macosquin / Ldy | Baptism entry | c1842 | T 3641 |
| McINTYRE Ellen Mrs | Strabane / Tyr | Emig. letters | 1876 - 1902 | T 2722 |
| McINTYRE family | Greencastle / Don | Gen. notes | c1770 - c1835 | T 1823 |
| McINTYRE family | Greencastle / Don | Gen. notes | c1770 - c1835 | T 1823 |
| McINTYRE Thomas RIC | Ireland | Career notes | 1837 - 1867 | T 3754/1 |
| McIVOR & Co. Printers | Dungannon / Tyr | Copy out letter bks. | 1895 - 1913 | D 2463 |
| McKAY family | Kilrea / Ldy | Title deeds etc. | 1843 - 1852 | T 1561 |
| McKAY family | Mosside / Ant | Gen. table | 1740 - 1979 | T 3082add |
| McKAY William Kennedy Rev | Portglenone / Ant | Marriages | 1845 - 1856 | D 2594 |
| McKAY Thomas Rev. | Brigh / Tyr | Will | c1816 | D 1524add |
| McKEAN family | Keady / Arm | Gen. notes | 1845 - 1927 | D 991 |
| McKEAN Henry | Darkley / Arm | Conveyance/ lands | c1833 | D 1008 |
| McKEAN Linen Mill | Benburb / Tyr | Accts. etc. | 1917 - 1938 | D 1872 |
| McKEAVNY Rose | Armagh | Copy Will | c1866 | T 2097 |
| McKEE David | Magherafelt / Ldy | Legal & military | 1807 - 1827 | D 1856 |
| McKEE family | Armagh | Letters | 1864 - 1891 | D 1821 |
| McKEE family | Ballycarry / Ant | Rent schedule | c1898 | D 3726 |
| McKEE family | Co. Down | Test papers | 1815 - 1933 | D 3051 |
| McKEE family | Co. Down | Gen. notes | from 17c | D 1759 |
| McKEE family | Downpatrick / Dow | Gen. notes | 18c - 20c | T 3716 |
| McKEE family | Middletown / Arm | Family papers | 1857 - 1886 | T 3130 |
| McKEE family | Moira / Dow | Gen. notes | c1700 - c1900 | T 2022 |
| McKEE family | Newry / Dow | Gen. notes | c1700 - c1900 | T 2022 |
| McKEE family | Saintfield / Dow | Murder of | 9th June 1798 | T 3042 |
| McKEE family | Strangford / Dow | Gen. notes | c1700 - c1900 | T 2022 |
| McKEE family | Whitechurch / Dow | Gen. notes | 18c - 20c | T 3716 |
| McKEE J. Dr | Banbridge / Dow | Acct. Books etc. | 1911 - 1922 | D 1418 |
| McKEE James | Ardglass / Dow | Will | c1840 | D 1968 |
| McKEE James | Lurgan / Arm | Warehouse Advert. | c1800 | Mic 74 |
| McKEE James Dr. | Randalstown / Ant | Photo. certificate | c1860 | D 3008 |
| McKEE Thomas | Aldfreck / Ant | Map | c1883 | T 3731 |
| McKEE William | Rathfriland / Dow | Diary | 1758 - 1785 | T 1322 |
| McKELVEY family | Ballyhalbert / Dow | Legal papers etc. | 19c | D 1255 |
| McKELVEY family | Bracky / Tyr | Gen notes | c1700 - 1950 | T 2090 |
| McKELVEY family | Bracky / Tyr | Gen. notes | c1800 - 1925 | D 1692 |
| McKELVEY family | Gortin / Tyr | Title deeds etc | 1823 - 1897 | D 1692 |
| McKELVEY family | Moydamlaght / Ldy | Land deeds | 1877 - 1897 | D 1692 |
| McKENNA Francis | Clogher / Tyr | Will & Probate | c1887 | D 2813 |
| McKENNA George | Armagh | Title deeds etc | 1859 - 1916 | D 2842 |
| McKENNA John | Antrim | Discharge cert Militia | c1902 | D 1486 |
| McKENNA John | Armagh | Title deeds etc | 1859 - 1916 | D 2842 |
| McKENNA Michael Grocer | Killbressal / Mon | Business papers | 1874 - 1897 | D 2981 |
| McKENNA Pat Egg Dealer | Desertmartin / Ldy | Ledger | 1916 - 1931 | D 1077 |
| McKENNA Robt. Geo. Kyle | Ballybeen / Dow | Encumbered sale | 26 Apr 1852 | D 1201/23/17 |
| McKENTY Bernard | Glenarm / Ant | Personal accts. | 1813 - 1864 | T 3627 |
| McKENTY family | Glenarm / Ant | Gen. notes | 13c - 1953 | T 3627 |
| McKENZIE family | Lebanon St. Belfast | Title deeds, sale | 1880 - 1946 | D 2233 |
| McKEON John Henry | Enniskillen / Fer | Birth certificate | c1875 | D 3769 |
| McKEOWN family | Belfast | Corresp. | 1881, 1883 | D 3610 |
| McKEOWN family | Carngranny / Ant | Dom. accts, corresp. | c1820 - c1900 | D 693 |
| McKEOWN James | Crumlin / Ant | Diary entries | 1866 - 1908 | T 2840 |
| McKEOWN Mary Mrs. | Belfast | Emig. letters | 1883 - 1888 | T 1456 |
| McKEOWN Thomas | Lisburn / Ant | Copy Will | c1886 | T 1945 |
| McKEOWN J &J Ironworker | Belfast | Business record | 1922 - 1941 | D 2619 |
| McKEOWN/McKEON family | Enniskillen / Fer | Births his children | 1873 - 1879 | D 3769 |
| McKEOWN/McKEON family | Enniskillen / Fer | Personal papers | 1873 - 1951 | D 3769 |
| McKERGAN John | Ballywillin / Ldy | Lease of lands | c1735 | T 1545 |
| McKERR Drapers/Hardware | Lurgan / Arm | Accts. etc | 1918 - 1942 | D 1300 |
| McKERRY William | Bellsquarter / Dow | Will | c1835 | D 552 |
| McKEVITT Moses | Newry / Dow | Copy Will | c1832 | D 2638 |
| McKEVITT Moses Publican | Newry / Dow | Copy Will | c1832 | D 2638add |
| McKEY James | Co Down | Letter to Downshire | 1 July 1798 | D 607/F/293 |
| McKIBBEN family | Portaferry / Dow | Corresp. | 1813 - 1885 | T 3103 |
| McKIBBEN family | Ringneill / Dow | Gen. notes | 1729 - 1889 | T 3567 |
| McKIBBEN James | Ringneill / Dow | Copy Will | c1844 | T 3567 |
| McKIBBIN family | Portaferry / Dow | Gen. notes | 1754 - c1900 | T 3032 |
| McKIBBIN John & Sons Ltd. | Belfast | Ledgers @ 2 | 1887 - 1898 | Mic 189 |
| McKINLEY Alexander | Londonderry | Tide Waiter appoint | c1776 | T 1452 |
| McKINLEY family | Ballymena / Ant | Title deeds etc | c1860 - c1920 | D 2792 |
| McKINLEY family | Portrush / Ant | Title deeds etc | c1860 - c1920 | D 2792 |
| McKINLEY James | Aghagallon / Ant | Will & Probate | c1790 | D 2838 |
| McKINNEY Anthony | Carneatly, B'castle/ Ant | Sch. exercise books | c1850 | T 3082add |
| McKINNEY family | Ahoghill / Ant | Photo Album | 1876 - 1901 | D 2144 |
| McKINNEY family | Ballyvesey / Ant | Title deeds | 1794 - 1867 | D 1500 |
| McKINNEY family | Carnmoney / Ant | Gen. Table | 1659 - 1971 | T 2702add |
| McKINNEY Thomas | Ballyvesey / Ant | Scrapbook | late 19c | Mic 86 |
| McKINSTRY Robert | Sydenham / Dow | L of Admin goods | c1869 | D 3805 |
| McKINSTRY Robert | Aghalee / Ant | Comm. Trav. letter | c1858 | T 3570 |
| McKISACK family | Belfast | Pedigree | 15c - c1980 | D 3000/112 |
| McKISACK family | Limavady / Ldy | Gen. notes | 1660 - 1811 | T 2263 |
| McKISACK family | Limavady / Ldy | Pedigree | late 17c - c1973 | T 2263add |
| McKISACK family | Gen. notes | D 1725 | ||
| McKISSACK Daniel | Limavady / Ldy | Corresp. | 1807 - 1813 | D 2009 |
| McKITTERICK/ARMOUR Co | Newry / Dow | Copy Out letter bk. | 1905 - 1907 | D 3628 |
| McKITTRICK family | Newtownards / Dow | Title deeds | 1793 - 1832 | D 2507add |
| McLAINE John Rev. | Ladyhill / Ant | Lease of Lands | c1714 | D 698 |
| McLANNAHAN family | Kildrumsherdan / Cav | Misc. papers | 1877, 1906 | D 3477 |
| McLANNAHAN James | Ballynagarrick / Dow | Letters / accts. | 1848 - 1878 | D 3477 |
| McLANNAHAN James | Lissagoan Ho. / Cav | Misc. papers | 1820 - 1878 | D 3477 |
| McLAUGHLIN Ellen Miss | Derrynoid / Ldy | Conveyance | c1815 | D 2107/8 |
| McLAUGHLIN family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| McLAUGHLIN Michael | Londonderry | Mariner's Ticket | c1849 | T 3630 |
| McLAUGHLIN Thomas | Armagh | Auctioneers accts. | 1835 - 1947 | D 1709 |
| McLEAN Marcus | Ballymore / Ldy | Will | c1876 | T 1639 |
| McLEES Denis | Aghadowey / Ldy | Executor / Du Pre | c1791 | D 904 |
| McLEES family | Aghadowey / Ldy | Emig. letters | 1823 - 1833 | D 904 |
| McLEES family | Co. Antrim | Gen. notes | 1897 - 1974 | T 3082add |
| McLEES John | Aghadowey / Ldy | Will | c1872 | D 904 |
| McLELLAND family | Clare / Arm | Abstract of leases | c1733 | D 763 |
| McLELLANE William | Bogagh / Ldy | Grant of Annuity | c1634 | T 1218 |
| McLENAGHAN family | Bovevagh / Ldy | Typed history | c1700 - c1920 | D 2547add |
| McLERNAN Daniel | Lisburn / Ant | Copy Will | c1870 | T 1945 |
| McLORNAN John | Tullyrusk / Ant | Copy Will | c1837 | D 2697 |
| McLORNAN Patrick | Crumlin / Ant | Lease | c1812 | D 2697 |
| McLORNAN family | Belfast | Title deeds etc | c1812 - 1921 | D 2697 |
| McLORNAN family | Dundrod / Ant | Title deeds etc | c1812 - 1921 | D 2697 |
| McMAHON family | Co. Fermanagh | Gen. notes | c1718 | T 1875 |
| McMAHON family | Co. Monaghan | Gen. notes | 1620 - c1900 | T 2506 |
| McMAHON family | Drumdreenagh / Dow | Lease | c1821 | D 919 |
| McMAHON family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| McMAHON family | Dunnanelly / Dow | Gen. notes | 1620 - c1900 | T 2506 |
| McMAHON Hugh | Ireland | Examination of | c1641 | T 2939 |
| McMAHON Hugh | Ireland | Examination of | c1641 | Mic 255 |
| McMANIMY James | Killybracken / Tyr | Lease / Derryclone | c1750 | D 3755 |
| McMANUS Hugh | Kilbegs / Ant | Lease of lands | c1853 | T 1288 |
| McMANUS William | Carrickfergus / Ant | Apprenticeship | c1892 | D 1564 |
| McMASTER family | Banbridge / Dow | Gen. notes | c1700 - c1850 | D 1109 |
| McMASTER family | Curglasson / Tyr | Renewal of lease | c1795 | D 1140add |
| McMASTER family | Duff's Hill / Ant | Pedigree | 1892 - c1950 | T 2931 |
| McMASTER John | Belfast | Apprent. Indent. | c1862 | D 1277 |
| McMASTER William | Ballykine / Dow | Probate | c1873 | D 773 |
| McMATH family | Newtownhamilton / Arm | Rentals | 1874 - 1892 | D 2784/12 |
| McMINN John | Ballyvester / Dow | Encumbered sale | 10 Jun 1858 | D 1201/23/6 |
| McMINN Samuel Spir/Groc | Ballygawley / Tyr | Ledger | c1880s | D 3728 |
| McMORDIE family | Banbridge / Dow | Copy Title deeds | 1852 - 1919 | D 2426 |
| McMULLAN Charles | Belfast | Photo/ funeral | c1907 | D 2101 |
| McMULLAN family | Dunboe / Ldy | Family history | c1961 | D 3000/16 |
| McMULLAN family | Limavady / Ldy | Family history | c1961 | D 3000/16 |
| McMULLAN family | Magilligan / Ldy | Family history | c1961 | D 3000/16 |
| McMULLAN John | Lisnabraugh / Ant | Leases | c1763 | T 1559 |
| McMULLAN Matthew | Belfast | Soap/candle maker | 1851 - 1877 | T 3127 |
| McMULLEN family | Saintfield / Dow | Gen. notes | 1645 - 1827 | D 2028 |
| McMURRAY Estate | Glenagooden / Laois | Title deeds | c1800 - c1900 | D 1253 |
| McMURRAY family | Turmennan / Dow | I.L.C. papers | 1828 - 1952 | T 1380add |
| McMURRAY Robert | Coleraine / Ldy | Conveyance | c1922 | T 1214 |
| McMURRY family | Tandragee / Arm | Pedigrees | 1690 - 1930 | T 2633 |
| McMURTRY family | Co. Antrim | Gen. notes | c1500 - c1851 | Mic 198 |
| McMURTRY family | Co. Down | Gen. notes | c1500 - c1851 | Mic 198 |
| McN McCORMICK Hugh | Co. Antrim | Deputy Clerk/Crown | c1865 | D 2179 |
| McNABB family | Portaferry / Dow | Misc. papers etc. | 1798 - 1879 | T 3185 |
| McNABB family | Portaferry / Dow | Gen. notes | 1815 - 1852 | T 3043 |
| McNAGHTEN Edmund | Beardiville / Ant | Copy Will | c1780 | T 2292 |
| McNAGHTEN Edmund Alex. | Beardiville / Ant | Will | c1832 | D 1946 |
| McNAGHTEN family | Ballyreagh / Ant | Pedigree | 17c - 1858 | D 2784/18 |
| McNAGHTEN family | Bushmills / Ant | Legal & test. papers | c1913 | D 1255 |
| McNAGHTEN family | Co. Antrim | Gen. notes | D 1946 | |
| McNAGHTEN family | Gregorlough / Dow | Legal papers | c1791 | D 1031 |
| McNAGHTEN family | Kirkcassock / Dow | Map | c1774 | D 1031 |
| McNAGHTEN family | Kirkcassock / Dow | Legal papers | c1791 | D 1031 |
| McNAGHTEN Francis Estate | Beardiville / Ant | Map | c1713 | T 2292 |
| McNAGHTEN H. Miss | Bushmills / Ant | Corresp. | c1890 - c1910 | D 1006 |
| McNAIR family | Cookstown / Tyr | Emig. letters | c1870 - 1894 | T 3491 |
| McNAIR Margaret | Ballygawley / Tyr | Obit. notices | c1895 | T 3491 |
| McNAIR Thomas | Donaghmore / Dow | Parish testimonial | c1762 | T 1315 |
| McNALLY William Capt. | Portaferry / Dow | Emig. letter | c1851 | T 1448 |
| McNAUGHTEN Bartholemew | Coleraine / Ldy | Oaths formuary | c1783 | T 1149 |
| McNAUL Estate | Armoy / Ant | Title deeds | T 2201 | |
| McNEA family | Carlisle Circus, Belfast | Title deeds, leases | 1862 - 1948 | D 3747 |
| McNEALE J. W. | Clontygora / Arm | Sale Encumb. Estate | c1850 | D 911 |
| McNEAR Robert | Ballynacor / Arm | Copy letter to USA | c1791 | T 1315 |
| McNEESE Sarah | Coash / Tyr | Emig. letter | c1896 | D 2093 |
| McNEILE Estate | Parkmount / Belfast | Title deeds etc. | 1855 - 1928 | D 2223 |
| McNEILE Estate | Ballymena / Ant | Title deeds etc. | 1855 - 1928 | D 2223 |
| McNEILE family | Portrush / Ant | Title deeds etc. | mid18c - ear20c | D 1255 |
| McNEILE family | Red Bay / Ant | Title deeds etc. | mid18c - ear20c | D 1255 |
| McNEILE John H. Estate | Belfast | Rentals | 1908 - 1950 | D 2122 |
| McNEILE John H. Estate | Cullybackey / Ant | Rentals | 1908 - 1950 | D 2122 |
| McNEILL Ada | Cushendun / Ant | Commonplace book | c1870 - c1900 | D 2460add |
| McNEILL Ada | Cushendun / Ant | Diary | c1886 | Mic 63 |
| McNEILL Alexander | Stranocurn / Ant | Gardenvale Ho. | 1873 - 1874 | D 2988 |
| McNEILL Archibald | Ballywillin / Ldy | Lease of lands | c1735 | T 1545 |
| McNEILL Estate | Cushendun / Ant | Accts. corresp. | c1900 | Mic 63 |
| McNEILL family | Ballymoney / Ant | Title deeds | 1849 - 1911 | D 2412 |
| McNEILL family | Ballymoney / Ant | Gen. notes | 1775 - 1959 | T 2577 |
| McNEILL family | Ballywillan / Ant | Title deeds etc. | 1738 - 1875 | D 3836 |
| McNEILL family | Carnegis / Ant | Gen. notes | 13c - 1953 | T 3627 |
| McNEILL family | Curran, Larne / Ant | Title deeds etc. | 1738 - 1875 | D 3836 |
| McNEILL Henry | Larne / Ant | Career notes | late 19c | T 2000 |
| McNEILL R M H | Co Down | Letter to Downshire | 17/9/1796 | D 607/D/175 |
| McNEILL R. N. | Belfast | Unpub. novel | c1940 | D 1912 |
| McNEILL family | Larne / Ant | Title deeds tanyard | 1872 - 1884 | D 1647 |
| McNEILL Ronald Lord | Cushendun / Ant | I.L.C. papers | c1900 - c1940 | D 971 |
| McNEILLY family | Glassdrummond / Arm | Test. papers | 1813 - 1930 | D 921 |
| McNEILLY family | Rathfriland / Dow | Misc. corresp. | 1817 - 1884 | T 1475 |
| McNEILLY N. | Belfast | Civil Defence Officer | 1941 - 1944 | D 3284 |
| McNUTT Edith Mrs | Bangor / Dow | Diary | c1951 - c1958 | D 2841 |
| McNUTT family | Bangor / Dow | Corresp. | 1945 - 1972 | D 2841 |
| McNUTT family | Gortmacall / Don | Pedigree | 1850 - 1930 | T 1463 |
| McPEAKE family | Ballycastle / Ant | Misc. papers | 1851 - 1911 | T 3420 |
| McQUALIN James | Irishtown / Ant | Will | c1839 | T 3028 |
| McQUILLAN John | Dunmurray / Ant | Receipts / Limewks | 1887 - 1914 | D 2494 |
| McQUILLEN family | Wexford | Gen. notes | 1296 - c1963 | D 2081 |
| McQUITTY family | Belfast | Press cuttings | 1879 - 1944 | D 2218 |
| McQUITTY William B. Surg. | Belfast | Career notes | died 1910 | D 2218 |
| McROBERT family | Co. Down | Will Extracts | D 1759 | |
| McROBERTS family | Ballyoren / Dow | Title deeds etc. | 1793 - 1855 | T 2629 |
| McROBERTS family | Ballyoren / Dow | Gen. notes | c1793 - c1900 | T 2629 |
| McSORLEY Ray | Trillick / Tyr | Internee's letter | c1922 | T 3120 |
| McSPARRON family | Feeny / Ldy | Emig. letters | 1860 - 1916 | T 2743 |
| McSWINEY Donagh | Doe / Don | Conveyance | c1637 | D 1905add |
| McTEAR David Estate | Belfast | Misc. papers | 1806 - 1908 | D 3544 |
| McTEAR David Estate | Cornacarrow / Ant | Misc. papers | 1806 - 1908 | D 3544 |
| McTEAR David Estate | Hazel Bank / Ant | Misc. papers | 1806 - 1908 | D 3544 |
| McTEAR family | Belfast | Gen. notes | 1715 - 1916 | D 3544 |
| McTEAR family Estate | Belfast | Accounts | 1840 - 1842 | T 2757 |
| McTEAR family Estate | Belfast | Gen. notes | from 17c | T 2757 |
| McVEAGH Henry | Lurgan / Arm | Promissory note | c1819 | T 2335 |
| McVEAGH James | Ballylummin / Ant | Conveyance | c1844 | T 1626 |
| McVERRY family | Newry / Dow | Test. papers | 1910 - 1912 | D 921 |
| McVICKAR Estate | Moylarg / Ant | Copy Title Deeds | c1869 - 1881 | D 2792 |
| McVICKAR James | Ballyvesey / Ant | Lease | c1802 | D 3140add |
| McVITTY Mr. | Bundoran / Don | Emmigrant letter | c1853 | D 1047 |
| McWATTERS family | Armagh / Arm | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| McWATTERS family | Armagh City | Births,marrs,deaths | 1835 - 1963 | T 2777add |
| McWATTERS family | Rasharkin / Ant | Births,marrs,deaths | 1835 - 1963 | T 2777add |
| McWATTERS family | Rasharkin / Ant | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| McWATTERS family | Warrenpoint / Dow | Births,marrs,deaths | 1835 - 1963 | T 2777add |
| McWHINNEY John | Carnmoney / Ant | ms Hanh. Robinson | c1795 | D 3140add |
| McWHINNEY John | Carnmoney / Ant | Copy Will, Probate | c1816 | D 3140add |
| McWILLIAM family | Aughnacloy / Tyr | Gen. notes | c1450 - 1890 | T 1292 |
| McWILLIAM family | Co. Down | Church records extr. | 1756 - 1923 | T 2699 |
| McWILLIAM family | Cos. Fer,Cav,Tyr | Gen. notes | c1700 - 1914 | T 1299 |
| McWILLIAMS family | Co. Monaghan | Gen. notes | from 18c | T 1710 |
| McWILLIAMS John | Carn Beg / Ant | Will | c1777 | T 3284 |
| McWILLIAMS Joseph | Ballynahone Beg / Arm | Rentals | 1901 - 1935 | D 2784/12 |
| McWILLIAMS Robert | Antrim / Ant | Lease | c1834 | D 1974 |
| MEADE Estate | Rathfryland / Dow | Misc. papers | 1682 - 1922 | Mic 259 |
| MEADE family | Rathfryland / Dow | Title deeds etc | 1937 - 1950 | D 2965add |
| MEADE Estate | Rathfriland / Dow | Lease book | 1677 - 1831 | D 875 |
| MEADE Estate | Rathfriland / Dow | Accounts etc. | 1771 - 1859 | D 875 |
| MEADE Estate | Rathfriland / Dow | Trust deeds | 1846 - 1928 | D 763 |
| MEADE Estate | Rathfryland / Dow | Rent acct. book | 1740 - 1741 | D 1629 |
| MEADE Estate | Rathfryland / Dow | Rents etc. | 1787 - 1795 | D 2071 |
| MEADE Estate | Rathfryland / Dow | Tenants corresp. | 1835 - 1848 | T 3117 |
| MEADE family | Banbridge / Dow | Title deeds etc. | c1760 - 1900 | D 2616add |
| MEADE family | Burrenwood / Dow | Typed history | c1936 | T 1181 |
| MEADE family | Gillhall / Dow | Misc. papers | 1659 - 1951 | D 3044 |
| MEADE family | Montalto / Dow | Misc. papers | 1659 - 1951 | D 3044 |
| MEADE family | Rathfryland / Dow | Misc. papers | 1689 - 1924 | Mic 259add |
| MEADE family | Rathfryland / Dow | Corresp. | 1907 - 1960 | D 2965 |
| MEADE Richard Hon. | Rathfryland / Dow | Sale | c1793 | D 3124 |
| MEADE Robert General | Rathfryland / Dow | Personal letters | 1808 - 1832 | Mic 259add |
| MECHANIC'S INSTITUTE | Downpatrick / Dow | Subscription list | c1879 | D 2960 |
| MEE John | Armagh | Copy Will | c 1788 | D 1594 |
| MEEK Patrick | Moneydollag / Ant | Copy Will | c1835 | D 3751 |
| MEGARRY Bennett | Lurgan / Arm | Cheque J. Megarry | c1839 | D 2586 |
| MEGARRY family | Banbridge / Dow | Copy Title deeds | 1852 - 1919 | D 2426 |
| MEGAW Samuel | Lismoney / Ldy | Funeral expenses | c1873 | D 2248 |
| MEGAW William | Eury / Tyr | Conveyance | c1847 | D 2713 |
| MEHARG family | Larne / Ant | Title deeds etc. | 1738 - 1875 | D 3836 |
| MEIGHAN family | Bovevagh / Ldy | Typed history | c1700 - c1920 | D 2547add |
| MENEELY family | Ballymacarrett / Dow | Misc. papers | 1835 - 1911 | D 3152add |
| MENEELY family | Belfast | Misc. papers | 1782 - 1968 | D 3152add |
| MENEELY John Rev. | Ballymacarrett / Dow | Presb. Min. papers | 1838 - 1881 | D 3152add |
| MENof MOURNE Vol. Corp. | Co. Down | Typed copy min.bk | 1778 - 1792 | T 1317 |
| MERCER family | Bangor / Dow | Title deeds | 1871 - 1947 | D 1349add |
| MERCER family | Belfast | Title deeds | 1871 - 1947 | D 1349add |
| MERCER family | Co. Down | Will Extracts | D 1759 | |
| MERCERS Co. | Kilrea / Ldy | Minutes | 1609 - 1633 | D2436 |
| MERCERS Estate | Kilrea / Ldy | Estate records | 1714 - 1909 | Mic 225 |
| MEREDYTH family | Co. Meath | Title deeds, leases | 1713 - c1830 | D 2489 |
| MEREDYTH family | Co. Meath | Misc. papers | c1702 - 1780 | D 2489add |
| MEREDYTH family | Hollymount / Dow | I.L.C. papers | late 19c | D 1255 |
| MEREDYTH Frances Mrs. | Dublin | Will | c1798 | D 1600 |
| MERVYN family | Gen. notes | D 1725 | ||
| MERVYN James | Omagh / Tyr | Letters patent | c1631 | T 2730 |
| METCALFE Capt. | Benduff / Tyr | Map | c1839 | T 2803 |
| METCALFE Capt. | Gortalowry / Tyr | Map | c1839 | T 2803 |
| METCALFE Thomas Levet Lt. | Tirnaleaguy / Don | m. Jane H Cary | c1805 | T 2799add |
| METHODIST CHURCH | Newtownards /Dow | Members register | 1899 - 1943 | T 2697 |
| METHODIST CHURCH | Comber / Dow | marriages | 1894 - 1937 | T 2697 |
| METHODIST CHURCH | Ulster Circuit | Baptisms | 1815 - 1858 | CR 6/3 |
| METHODIST CHURCH | Zion Newtownards /Dow | baptisms | 1847 - 1906 | T 2697 |
| METHODIST CHURCH | Zion Newtownards /Dow | marriages | 1864 - 1907 | T 2697 |
| METHODISTS Prim. Wesl. | Derrylee / Arm | Petition - Col. Verner | 1826 | D 1127 |
| MID ULSTER MAIL | Cookstown / Tyr | History/Cookstown | early18c | T 1659 |
| MIDDLETON family | Co. Roscommon | Gen. notes | c1200 - c1900 | Mic 107 |
| MIDDLETON family | Co. Tyrone | Gen. notes | c1200 - c1900 | Mic 107 |
| MILES AIRCRAFT Co. | Newtownards / Dow | Business records | c1945 - 1949 | D 1369 |
| MILESTONE TRUST Ltd. | Newry / Dow | Title deeds etc. | 1925 - 1945 | D 921 |
| MILITIA | Co Down | Accts, letters etc. | 1800 - 1918 | D 286 |
| MILITIA | Co Down | North Down roll | c1863 | D 3345 |
| MILITIA | Derry | Misc. papers | c1794 | Mic 244add |
| MILITIA | Royal South D'shire | Court Martials | 1801 - 1804 | D 1070 |
| MILITIA | Ireland | List of Officers | 1796 - 1797 | Mic 367/1,2 |
| MILITIA | Ireland | List of Officers | 1796 - 1797 | T 3376 |
| MILITIA | Ireland | List of Officers | 1798 - 1801 | Mic 361 |
| MILITIA | Belfast | Capt. Ogle's comp. | c1829 | D 3480add |
| MILITIA | Co Down | Muster Roll | 1799 - 1800 | T 1115 |
| MILITIA | Co Down | Ballyculter Supp. Co | c1798 | T 1023/153 |
| MILITIA | Co. Londonderry | Misc. papers | 1803 - 1814 | D 3697 |
| MILITIA OFFICERS | Co Down | List | c1761 | T 808/15235 |
| MILITIA OFFICERS | Ireland | Printed list | c1797 | D 3064 |
| MILITIA OFFICERS | Printed lists | 1804 - 1825 | Mic 474 | |
| MILLAR Joseph | Edinburgh University | Medical Degree | c1792 | T 1852 |
| MILLAR Andrew Rev. | Carntall / Tyr | Call Presb. church | c1773 | T 2655 |
| MILLAR David | Ballymena / Ant | Will | c1846 | D 3751 |
| MILLAR family | Ballyblack / Dow | Gen. notes | D 3000/156 | |
| MILLAR family | Belfast | marr. settlements | 1830 - 1898 | D 2489add |
| MILLAR family | Kildrum / Ant | marr. settlements | 1830 - 1898 | D 2489add |
| MILLAR John | Glenwhirry / Ant | Map | c1831 | T 1853 |
| MILLAR Samuel | Belfast | Copy Will & Prob. | c1830 | D 2489add |
| MILLBROOK Bleach & Flax | Cookstown / Tyr | Business records | 1901 - 1941 | D 1142 |
| MILLEN family | Coleraine / Ldy | Test. papers | 1837 - 1936 | D 992 |
| MILLEN family | Kilrea / Ldy | Title deeds etc. | 1853 - 1903 | T 1590 |
| MILLER family | Ballyhemlin / Dow | Title deeds etc. | 1774 - 1944 | D 2849 |
| MILLER family | Moyse / Ldy | Title deeds etc. | 1784 - 1960 | D 1900 |
| MILLER Alexander | Macosquin / Ldy | Probate of Will | c1775 | D 3492 |
| MILLER Edward | Coagh / Tyr | Probate of Will | c1802 | D 3492 |
| MILLER family | Ballycastle / Ant | Gen. notes | 1716 - 1761 | Mic 63 |
| MILLER family | Ballycastle / Ant | Title deeds etc. | 1747 - 1927 | D 3492 |
| MILLER family | Ballyedock / Dow | Title deeds etc. | 1765 - 1868 | D 886 |
| MILLER family | Ballyhalbert / Dow | Title deeds etc. | 1774 - 1944 | D 2849 |
| MILLER family | Carlisle Circus, Belfast | Title deeds, leases | 1862 - 1948 | D 3747 |
| MILLER family | Coleraine / Ldy | Title deeds etc. | 1747 - 1927 | D 3492 |
| MILLER family | Coleraine / Ldy | Title deeds etc. | 1747 - 1927 | D 3492 |
| MILLER family | Cookstown / Tyr | Emig. letters | c1870 - 1894 | T 3491 |
| MILLER family | Downpatrick / Dow | Pedigree | c1620 - c1880 | D 3469add |
| MILLER family | Drumhome / Don | Gen. notes | c1800 - c1970 | T 2892 |
| MILLER family | Dungannon / Tyr | Title deeds etc. | 1747 - 1927 | D 3492 |
| MILLER family | Dungiven / Ldy | Gen. notes | compiled c1965 | T 2212 |
| MILLER family | Killinchy / Dow | Deeds, Test. papers | 1724 - 1941 | D 1892 |
| MILLER family | Killinchy / Dow | Gen. notes | 1814 - 1829 | T 2245 |
| MILLER family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| MILLER family | Tamlaght O'Crilly / Ldy | Gen. notes | c1800 - c1970 | T 2892 |
| MILLER family Estate | Carrickfergus / Ant | Title deeds etc. | 19c | D 971 |
| MILLER Gibson Baker | Ballyrobin / Ant | Apprent. Indent. | c1892 | T 1241 |
| MILLER Hugh | Ballyhemlin / Dow | Copy Will | c1837 | D 2849 |
| MILLER Mary | Bellaghy / Ldy | Copy Will | c1804 | D 3492 |
| MILLER William | Kircubbin / Dow | Test. papers | c1919 | D 891 |
| MILLIKEN Hugh | Whitepark / Dow | Lease | c1851 | D 2410 |
| MILLIKEN Hugh | Whitepark / Dow | Copy Will | c1856 | D 2410 |
| MILLIKEN family | Ballydavey / Dow | Title deeds | 1725 - 1915 | D 1122 |
| MILLIKEN family | Ballymoney / Ant | Test. papers | 1885 - 1937 | D 2233 |
| MILLIKEN family | Ballyskeagh / Dow | Title deeds | 1725 - 1915 | D 1122 |
| MILLIKEN family | Island Magee / Ant | Test. papers | 1885 - 1937 | D 2233 |
| MILLIKEN family | Tullynagurdy / Dow | Title deeds | 1725 - 1915 | D 1122 |
| MILLIKEN Israel | Belfast | Conveyance/ Layd | c1835 | T 1331 |
| MILLIKEN James | Island Magee / Ant | Emig. letters | 1846 - 1894 | D 985 |
| MILLMOUNT Bleachworks | Banbridge / Dow | Accts. etc. | 1892 - 1944 | D 1872 |
| MILLMOUNT Bleachworks | Banbridge / Dow | Photos. @ 8 | c1930 | T 2222 |
| MILLS family | Ballynacross / Ldy | Gen. notes | 1773 - 1916 | T 1264add |
| MINNIS family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| MINNIS family | Lurgan / Arm | Title deeds, leases | 1789 - 1859 | D 1524add |
| MINNIS family Grocers | Saintfield / Dow | Accts. etc | 1843 - 1900 | D 3060 |
| MINNIS Nicholas | Kilkeel / Dow | Conveyance | c1890 | D 1053 |
| MINNIS William | Drumbanagher / Arm | Will | c1792 | D 1524add |
| MISKELLY John | Belfast | Land nationalisation | 1884 - 1885 | T 1160 |
| MISKIMMIN Samuel | Toome Castle / Ant | Printed acct. | c1830 | T 1599 |
| MISKIMMIN & SONS Ltd | Belfast | Builders/busin. recs. | 1932 - 1952 | D 1142 |
| MITCHEL John | Camnish / Ldy | Young Irl notes | c1844 | D 2547add |
| MITCHELL Anne | Sprucefield / Dow | Probate grant | 19 July 1877 | D 3380 |
| MITCHELL Charles | Londonderry | Log book | 1892 - 1893 | D 1665 |
| MITCHELL family | Belfast | Gen. notes | 1752 - 1974 | D 3624 |
| MITCHELL family | Keady / Arm | Title deeds, etc. | 1807 - 1898 | D 982 |
| MITCHELL family | Killeen / Arm | Title deeds, leases | 1781 - 1897 | D 1524add |
| MITCHELL family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| MITCHELL family | Gen. notes | D 1725 | ||
| MITCHELL Irvine | Augher / Tyr | Legal papers | c 1804 | D 1665 |
| MITCHELL James Ltd. | 12, John St. L'derry | Min. book | 1909 - 1969 | D 3281 |
| MITCHELL John | Drumskellen / Don | Lease of lands | c1848 | D 1074 |
| MITCHELL John Nationalist | Newry / Dow | 13 letters | 1834 - 1874 | D 1078 |
| MITCHELL William | Londonderry | Diaries | 1893 - 1902 | D 864 |
| MITCHELL William Capt. | Londonderry | Letters from Quebec | 1842 - 1855 | D 1665 |
| MITCHELL William Capt. | Londonderry | Log bk. "Barbara" | 1852 - 1855 | D 1665 |
| MITCHELL CORN MILLS | Londonderry | Business records | 1883 - 1888 | D 864 |
| MOFFATT family | Belfast | Emig. letter | c1910 | T 3595 |
| MOFFETT family | Armagh | Family corresp. | c1830 - 1840 | T 2354 |
| MOFFETT family | Co. Down | Gen. notes | from 17c | D 1759 |
| MOFFETT family | Dublin | Family corresp. | c1830 - 1840 | T 2354 |
| MOFFITT James Rev. | Clones / Mon | Letters | 1858 - c1880 | D 1729 |
| MOGRIDGE John | Londonderry | Post Siege Fin. Sett | c1691 | T 2250 |
| MOIRA Earl | Kinelarty/ Dow | Map & Survey | c1782 | T 1451 |
| MOIRA Earl | Moira / Dow | Map | c1780 | T 3560 |
| MOIRA Earl Estate | Kinelarty / Dow | Maps & Survey | c1782 | D 2253 |
| MOLL Herman | Ireland | Counties map | c1714 | T 1609 |
| MOLL Herman | Ireland | Vol. Cos. of Ireland | c1876 | T 1507 |
| MOLLAN family | Iskymeadow / Arm | Title deeds abstract | 1825 - 1868 | D 2784/12 |
| MOLLAN family | Tullynamalloge / Arm | Title deeds abstract | 1825 - 1868 | D 2784/12 |
| MOLLOY James | Dublin | Will | c 1843 | T 2590 |
| MOLLOY James Scott | Newry / Dow | Encumbered sale | 21 Oct 1851 | D 1201/1/24 |
| MOLYNEUX family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| MOLYNEUX William | Castle Dillon / Arm | Historical account | c1696 | T 2521 |
| MOLYNEUX William Estate | Castle Dillon / Arm | Historical Account | from early 17c | Mic 215 |
| MONCK George Col. | Carrickfergus / Ant | Safe conduct letter | c1648 | D 3043 |
| MONEYPENNY family | Dungannon / Tyr | Gen. notes | c1400 - 1957 | T 1855 |
| MONEYPENNY family | Portaferry / Dow | Gen. notes | c1300 - c1900 | T 2348 |
| MONGOMERY General | Blessingbourne / Tyr | general corresp. | 1888 - 1900 | D 1537 |
| MONTGOMERY Alexander | Ballyleck / Mon | m. Cath. Willoughby | c1746 | D 3053 |
| MONTGOMERY Alexander | Ballymacarrett / Dow | Encumbered sale | 10 Nov 1857 | D 1201/23/5,9 |
| MONTGOMERY Estate | Benvardin / Ant | Legal papers etc. | 1827 - c1898 | D 2223 |
| MONTGOMERY family | Ballydrain / Ant | Title deeds etc. | 1900 - 1929 | D 2223 |
| MONTGOMERY family | Ballydrain Ho. D'murry | Photos | c1885 - 1942 | D 2460 |
| MONTGOMERY family | Ballyligpatrick / Ant | Title deeds etc. | c1810 - 1862 | D 1902 |
| MONTGOMERY family | Ballynafeigh / Dow | Title deeds | 1810 - 1903 | D 1905add |
| MONTGOMERY family | Belfast | Title deeds | 1810 - 1903 | D 1905add |
| MONTGOMERY family | Belfast | Title deeds etc. | 1811 - 1932 | D 2794 |
| MONTGOMERY family | Belfast | Title deeds | 1854 - 1938 | D 2482 |
| MONTGOMERY family | Belfast | Emig. letters | 1931 - 1935 | D 1212 |
| MONTGOMERY family | Benvarden / Ant | Photos | c1885 - 1942 | D 2460 |
| MONTGOMERY family | Benvardin / Ant | Gen. notes | 1630 - 1951 | T 2715add |
| MONTGOMERY family | Bonnyglen / Don | Gen. notes | c1800 - c1970 | T 2892 |
| MONTGOMERY family | Broughshane / Ant | Gen. notes | 1730 - 1924 | T 1481 |
| MONTGOMERY family | Co. Antrim | Misc. papers | c1870 - c1900 | D 2460add |
| MONTGOMERY family | Co. Down | Misc. papers | c1870 - c1900 | D 2460add |
| MONTGOMERY family | Co. Down | Gen. notes | from 17c | D 1759 |
| MONTGOMERY family | Co. Fermanagh | Gen. notes | 19c | D 627add |
| MONTGOMERY family | Derrygonnelly / Fer | Pedigree | c1640 - c1810 | T 2849 |
| MONTGOMERY family | Donaghadee / Dow | Pedigrees | c1770 - 1893 | T 1345 |
| MONTGOMERY family | Drumbeg / Don | Title deeds etc. | 1900 - 1929 | D 2223 |
| MONTGOMERY family | Ireland | Gen. notes | from c1200 | D 1601 |
| MONTGOMERY family | Lurgan / Arm | Gen. notes | 1610 - c1915 | D 2794 |
| MONTGOMERY family | Mount Alexander / Dow | Misc. papers | c1685 - 1960 | Mic 321add |
| MONTGOMERY family | Moville / Don | Leases | 1875 - 1885 | D 2649 |
| MONTGOMERY family | Newtownards / Dow | Pedigree | c1620 - c1880 | D 3469add |
| MONTGOMERY family | Portadown / Arm | Title deeds etc. | 1811 - 1932 | D 2794 |
| MONTGOMERY family | Portadown / Arm | Title deeds | 1854 - 1938 | D 2482 |
| MONTGOMERY family | Rosemount / Dow | Pedigree | c1620 - c1880 | D 3469add |
| MONTGOMERY family | Tandragee / Arm | Title deeds etc. | 1811 - 1932 | D 2794 |
| MONTGOMERY G. Surveyor | Lifford / Don | Correspondence | c1813 | D 725 |
| MONTGOMERY Hannah | Harrymount / Dow | Copy Will | c 1782 | D 1594 |
| MONTGOMERY Hugh | Carnlough / Ant | Diary | 1843 - 1858 | T 1638add |
| MONTGOMERY Hugh | Castle Hume / Fer | Corresp. | late18c | D 627add |
| MONTGOMERY Hugh | Greyabbey / Dow | Letter/Battle Minden | c1759 | D 906 |
| MONTGOMERY Hugh | Portaferry / Dow | Will extracts | c1636 | D 552 |
| MONTGOMERY Hugh P. | Lismore / Dow | Court Map | c1870 | D 2748 |
| MONTGOMERY J. Snr. | Belfast | Letter GV/ POWs | c1918 | T 1479 |
| MONTGOMERY James | Aughnacloy / Tyr | Correspondence | 1816 - 1829 | T 1813 |
| MONTGOMERY James Sir | Rosemount / Dow | Land Mortgage | c1640 | T 2452 |
| MONTGOMERY John | Ballynafeigh / Dow | Copy Will | 8th Feb 1834 | T 2590add |
| MONTGOMERY John | Ballynafeigh / Dow | Will | c 1834 | T 2590 |
| MONTGOMERY John | Ballynafeigh / Dow | Copy Will/Probate | c1834 | Mic/61add |
| MONTGOMERY John | Ballyridley / Dow | Land Mortgage | c1640 | T 2452 |
| MONTGOMERY John | Brecart? / Ant | Lease/ Linacloskey | c1837 | D 703 |
| MONTGOMERY John | Locust Lodge / Dow | Copy Will/Probate | c1869 | Mic/61add |
| MONTGOMERY M.H.C. | Armagh / Arm | Sale papers | 1911 | D 1217 |
| MONTGOMERY Martha | Straidnahanna / Ant | Copy Will | c1906 | D 2749 |
| MONTGOMERY Mary Wid | Glenfield Ho. G'island/A | Copy Will/Probate | c1870 | Mic/61add |
| MONTGOMERY Thomas | Enniskillen / Fer | Convict letter | c1840 | T 3650 |
| MONTGOMERY William | Aghacarnan / Ant | Will & Probate | c1845 | T 3748 |
| MONTGOMERY William | Killough / Dow | Counterpart lease | c1731 | D 2672 |
| MONTGOMERY William | Rosemount / Dow | Original writing | 1696 - 1706 | T 2652 |
| MONTGOMERY Catherine Sp | Locust Lodge / Dow | Copy Will, L of A | c1853 | Mic/61add |
| MONTGOMERY family | Benvarden / Ant | Title deeds, leases | 1788 - c1940 | T1638,D1086 |
| MONTGOMERY family | Benvarden / Ant | Title deeds, leases | 1788 - c1940 | T1660,Mic24 |
| MONTGOMERY Gawen | Belfast | Copy Will/Probate | c1821 | Mic/61add |
| MONTGOMERY John Mrs. | Benvarden / Ant | Diaries, journals | 1815 - 1843 | T 1638add |
| MONTGOMERY Thomas Est. | Dervock / Ant | Maps | c1848 | D 2122 |
| MONTGOMERY Thomas Est. | Loughguile / Ant | Maps | c1862 | D 2122 |
| MONTGOMERY Thomas H. | Tullyshandra / Cav | Murder Wm. Glass | 1872 - 1873 | D 2430 |
| MOODY family | Coleraine / Ldy | Gen. notes | 1854 - 1872 | T 2901 |
| MOODY family | Stabane / Tyr | Pedigree | c1850 | D 1416 |
| MOODY family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| MOODY George | Bellarena / Ldy | Letters Boer War | 1900 - c1924 | D 1454 |
| MOODY Hugh & James | Clontaghnagler / Dow | Lease of lands | c1847 | D 809 |
| MOONEY Daniel | Banbridge / Dow | Autobiography | from 1860 | T 2551 |
| MOONEY family | Belfast | Corresp. | 1861 - 1900 | D 2585 |
| MOONEY family | Cavandorgan / Arm | Tenancy agree's | 1918 - 1923 | D 3619 |
| MOONEY family | Comber / Dow | Corresp. | 1861 - 1900 | D 2585 |
| MOONEY family | Londonderry | Gen. notes | from early 18c | D 2585 |
| MOONEY family | Stranorlar / Don | Corresp. | 1861 - 1900 | D 2585 |
| MOOR James | Lisconnan / Ant | Mics. accts. | c1750 - c1800 | D 2049 |
| MOOR Samuel | Lisconnan / Ant | Mics. accts. | c1750 - c1800 | D 2049 |
| MOORE family | Culfore / Louth | Title deeds, leases | 1807 - 1820 | D 2965 |
| MOORE Archibald | Grangebawn / Dow | Lease | c1739 | T 1966 |
| MOORE Charles | Ballykinler / Dow | Lease to M.O.D. | c1914 | T 1155 |
| MOORE Edward | Castletown / Tyr | Enc. Estate Rental | c1857 | D 966 |
| MOORE Estate | Ballymoney / Ant | Estate records | 1831 - 1919 | D 2171add |
| MOORE Estate | Dunluce / Ant | Title deeds | c1760 - 1900 | T 2201 |
| MOORE Estate | Newry / Dow | Rentals | 1894 - 1905 | D 935 |
| MOORE F. | Templepatrick / Ant | Emig. letter | c1902 | D 693 |
| MOORE family | Ahoghill / Ant | Ahoghill history | 12c - 1901 | T 3191 |
| MOORE family | Ahoghill / Ant | Gen. notes | 1752 - 1966 | T 2369 |
| MOORE family | Aughnacloy / Tyr | Legal papers | c1833 - c1845 | D 1253 |
| MOORE family | Ballyfinaghy / Ant | Business/Est. paper | 1832 - 1960 | D 2086add |
| MOORE family | Ballymacreelly / Dow | Title deeds, leases | 1780 - 1877 | D 3694 |
| MOORE family | Ballymoney / Ant | Gen. notes | 1697 - 1939 | D 2320 |
| MOORE family | Ballyveagh / Dow | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| MOORE family | Bangor / Dow | Gen. notes | c1700 - c1900 | D 3562 |
| MOORE family | Billis / Cav | Title deeds etc. | 1841 - 1902 | D 3608 |
| MOORE family | Bonds Glen / Ldy | Pedigree | 1731 - 1880 | T 1583 |
| MOORE family | Carrickfergus / Ant | Test. papers | 1734 - 1904 | D 2107 |
| MOORE family | Cavan Town / Cav | Title deeds etc. | 1841 - 1902 | D 3608 |
| MOORE family | Champernon / Ldy | Test. papers,deeds | 1847 - 1914 | D 2298add |
| MOORE family | Co. Down | Gen. notes | from 17c | D 1759 |
| MOORE family | Co. Monaghan | Gen. notes | 17c - c1890 | T 2934 |
| MOORE family | Coleraine / Ldy | Lease of properties | 1790 - 1923 | D 713 |
| MOORE family | Coleraine / Ldy | Test. papers | 1837 - 1936 | D 992 |
| MOORE family | Cranfield / Dow | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| MOORE family | Cullytrumin / Ant | Corresp. | 1815 - 1956 | D 1364 |
| MOORE family | Derrykeighan / Ant | Letters, gen. notes | 1915 | D 1897 |
| MOORE family | Drumbanagher / Arm | Pedigree | c1620 - 1968 | D 432 |
| MOORE family | Drumourne / Ant | Emig. letter | c1880 - 1886 | T 3507add |
| MOORE family | Drumraighland / Ldy | Trust papers | 1846 - 1880 | D 2908 |
| MOORE family | Dundesert / Ant | Test. papers | from 1713 | D 1905 |
| MOORE family | Earl. St. Belfast | Title deeds, leases | 1878 - 1908 | D 3480 |
| MOORE family | Grangebawn / Dow | Deeds | c1779 | D 1543 |
| MOORE family | Ireland | Gen. notes | 1263 - 1908 | D 1999 |
| MOORE family | Ireland | Pedigree | c1750 - c1900 | T 3040 |
| MOORE family | Killough / Dow | Title deeds | 1706 - 1903 | D 749 |
| MOORE family | Killough / Dow | Title deeds | 1779 - 1941 | D 877 |
| MOORE family | Killough / Dow | Gen. notes | 1845 - 1921 | D 877 |
| MOORE family | Killycapple / Arm | Title deeds, leases | 1783 - 1837 | D 3587 |
| MOORE family | Kilnavara / Cav | Title deeds etc. | 1841 - 1902 | D 3608 |
| MOORE family | Kilrea / Ldy | Title deeds, etc. | 1667 - 1945 | D 1066 |
| MOORE family | Luganboy / Cav | Title deeds etc. | 1841 - 1902 | D 3608 |
| MOORE family | Newtownards / Dow | Title deeds | 1793 - 1832 | D 2507add |
| MOORE family | Rasharkin / Ant | Gen. notes | 1752 - 1966 | T 2369 |
| MOORE family | Stranocum / Ant | Title deeds etc. | 1630 - 1879 | D 2171 |
| MOORE family | Tamnaghmore / Arm | Abstract of leases | c1790 | D 763 |
| MOORE family | Tamnaghvelton / Arm | Abstract of leases | c1790 | D 763 |
| MOORE George Fletcher | Londonderry | Journal / Australia | 1830 - 1849 | Mic 97 |
| MOORE James | Ballynacree / Ant | Will | c1727 | D 2171 |
| MOORE James | Bayhead / Ant | Will | c1841 | D 2171 |
| MOORE James | Clay / Dow | Farm acct. book | 1830 - 1833 | T 3011 |
| MOORE James | Cullybackey / Ant | Investments accts. | 1878 - 1889 | D 1095 |
| MOORE James | Drumard / Ant | Emig. letters | 1816 - 1846 | T 3608 |
| MOORE James | Lisinaw / Dow | Farm acct. book | 1830 - 1833 | T 3011 |
| MOORE John | Carrickfergus / Ant | Journal | 1760 - 1770 | D 3165 |
| MOORE John | Carrickfergus / Ant | Probated Will | c1792 | D 3855 |
| MOORE John | Drumbanagher / Arm | Map | c1813 | D 1105 |
| MOORE John | Killough / Dow | Emig. letter | 1842, 1861 | D 877 |
| MOORE John | Maghery / Arm | Rentals | 1759 - 1760 | D 920 |
| MOORE John Estate | Drumbanagher / Arm | Map | c1784 | T 1175 |
| MOORE John Agent | Clough / Dow | Mt. Panther Est. | 1774 - 1785 | D 2309 |
| MOORE John B.G. Estate | Cookstown / Tyr | Accts. etc. | 1869 - 1875 | D 2463 |
| MOORE Kathleen | Garvey / Tyr | Dispute m. R. Stewart | c1686 | D 1618 |
| MOORE Robert | Portadown / Arm | Letters | 1847 - c1857 | D 2794 |
| MOORE Robert Jnr. | Carndonagh / Don | Rent ledgers etc | 1850 - 1923 | T 2799 |
| MOORE Robert Snr. | Carndonagh / Don | Rent ledgers etc | 1850 - 1923 | T 2799 |
| MOORE Rose | Kilraghts / Ant | Copy Will | c1897 | T 2880 |
| MOORE Samuel | Ballyhemlin / Ant | Will | c1802 | D 2587 |
| MOORE Stephen Rt. Hon. | Braid Estate / Ant | Court Rental/Sale | c1850 | D 3851 |
| MOORE Thomas Lieut RN | Londonderry | Career notes/papers | 1819 - 1836 | Mic 529 |
| MOORE William | Portrush / Ant | Abstract of Title | 1856 - 1869 | D 2738add |
| MOORE William | Shantauny / Tyr | Inventory | c1680 | D 1618 |
| MOORE William Dr. | Ballymoney / Ant | Dispensary book | 1837 - 1848 | D 2171add |
| MOORHEAD family | Annaghmakerrig / Mon | Misc. papers | 1804 - 1930s | D 3585 |
| MOORHEAD family | Clones / Mon | Gen. notes | from 17c | D 1147 |
| MOORHEAD Fred. | Bangor / Dow | WW1 letters home | 1915 - 1921 | D 3634 |
| MOORHEAD Robert | Kilroosky / Fer | Will | c1826 | T 3521 |
| MORAVIAN CHURCH | Gracehill / Ant | Misc. records | 1750 - 1987 | Mic/1F/3 |
| MORAVIAN CHURCH | Kilkeel / Dow | 2 vols. diaries | 1844 - 1915 | D 1052 |
| MORDAUNT family | Ireland | Gen. notes | c 1835 | Mic 65 |
| MORELAND family | Banbridge / Dow | Title deeds | 1794 - c1927 | D 1903 |
| MORELAND family | Belfast | Title deeds | 1794 - c1927 | D 1903 |
| MORELAND family | Belfast | Deeds, Test. papers | 1851 - 1905 | D 2179 |
| MORELAND family | Carnbane / Dow | Test. papers | c1820 - c1880 | D 1905 |
| MORELAND Isaac | Belfast | Will | c1798 | T 1164 |
| MORELAND Robert Merch. | Belfast | Copy Will/Probate | c1897 | Mic/61add |
| MORELL family | Cos. Fer,Cav,Tyr | Gen. notes | c1700 - 1914 | T 1299 |
| MORELL family | Newry / Dow | Gen. notes | 1773 - 1912 | D 2081 |
| MORELL J. H. Rev. | Newry / Dow | Sermons | 1834 - 1859 | D 2081 |
| MORGAN Catherine | Kilcoo / Dow | Emig. letters | c1902 | T 1880 |
| MORGAN family | Belfast | Gen. notes | 1821 - 1935 | T 3225 |
| MORGAN family | Hermitage / Cav | Title deeds | 1780, 1828 - 1863 | D 3480add |
| MORGAN family | Mountnorris / Arm | Gen. notes | 1821 - 1935 | T 3225 |
| MORGAN Hiram | Morgan's Pl. Belfast | Butcher | c1902 | T 3291 |
| MORGAN Joseph | Cavangrow / Arm | Estate duty papers | 1901 - 1912 | D 1524 |
| MORIARTY Matthew Francis | Killaghtee / Don | Diary voy. to N.Z. | 1878 - 1879 | T 3708 |
| MORLEY Estate | Co. Cavan | leases etc. | 1788 - 1791 | T3520Mic428 |
| MORONY family | Co. Clare | Pedigree | 1659 - 1900 | T 1191 |
| MORRELL family | Dunboe / Ldy | Family history | c1961 | D 3000/16 |
| MORRELL family | Limavady / Ldy | Family history | c1961 | D 3000/16 |
| MORRELL family | Magilligan / Ldy | Family history | c1961 | D 3000/16 |
| MORRIS Philip | Knockavaddy / Ant | Lease | c1726 | D 1105 |
| MORRIS Robert | Lurgan / Arm | Militia commission | 1798 - 1821 | D 1673 |
| MORRIS Thomas | Lurgan / Arm | Militia commission | 1798 - 1821 | D 1673 |
| MORRISON family | Coolderry / Ldy | Gen. notes | 1699 - 1925 | D 1211 |
| MORRISON family | Crossgar / Dow | Test. papers etc. | 1892 - 1922 | D 2893 |
| MORRISON John | Clagan / Ldy | Lease / Clagan | c1700 | T 1637 |
| MORRISON T.B. Mon. Sculp. | Bridge St. Coleraine | Business records | 1905 - 1952 | D 3452 |
| MORRISON William | Downpatrick / Dow | Rate Coll. books | 1873 - 1878 | D 3191 |
| MORRISON William | Tamlaght Finlagan / Ldy | Will | c1834 | T 1592 |
| MORROW family | Co Londonderry | Pedigree | c1618 - c1950 | T 2964 |
| MORROW Andrew | Rathfryland / Dow | Misc. papers | 1738 - 1811 | D 3696 |
| MORROW family | Co. Down | Gen. notes | from 17c | D 1759 |
| MORROW family | Kilruddan / Tyr | Title deeds, accts | 1781 - 1894 | T 1429 |
| MORROW James | Castledawson / Ldy | Test. papers | c1857 - c1904 | D 2513 |
| MORROW John | Belfast | Letter/Maralin churc | c1875 | T 1571 |
| MORROW Joseph | Ballylagan / Dow | Copy Will | c1856 | D 1538 |
| MORROW Samuel Innkeeper | Portadown / Arm | Copy Will | c1844 | D 2794 |
| MORROW Thomas | Ballylagan / Dow | Copy Will | c1848 | D 1538 |
| MORROW Thomas Birch | Lisbane / Dow | Lease of land | c1849 | T 1168 |
| MORROW Thomas Birch | Lisbane / Dow | Administration | c1864 | T 1170 |
| MORROW William Private | Lisburn / Ant | Discharge cert. 98 F | c1863 | T 1495 |
| MORTIMER family | Gleneary / Don | Gen. notes | mid18c - 1985 | D 3000/122 |
| MORTIMER family | Rathmelton / Don | Gen. notes | mid18c - 1985 | D 3000/122 |
| MORTON family | Ballymena / Ant | Family records | c1860 - 1915 | D 3575 |
| MORTON family | Banbridge / Dow | Leases | 1820, 1854 | T 2690add |
| MORTON family | Banbridge / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| MORTON family | Bellaghy / Ant | Family records | c1860 - 1915 | D 3575 |
| MORTON family | Doagh / Ant | Family records | c1860 - 1915 | D 3575 |
| MORTON family | Kilnacrott / Cav | Gen. notes | 1748 - 1921 | D 1884add |
| MORTON family | Londonderry | Gen. table | c1700 - 1867 | T 3213/7 |
| MORTON John | Huntley Gl. Farm / Dow | Map | c1876 | T 1507 |
| MORTON Joseph | Ballyvalley / Dow | Copy Will | c1824 | T 2690 |
| MORTON Joseph | Ballyvalley / Dow | Land lease | c1831 | T 2690 |
| MORTON Joseph | Ballyvalley / Dow | Land lease | c1856 | T 2690 |
| MORTON Joseph | Banbridge / Dow | Seed Store Quote | c1913 | D 2550 |
| MORTON Robert | Ballymena / Ant | Bank Pass book | 1856 - 1857 | D 815 |
| MORTON Joseph Ltd. | Banbridge / Dow | Business records | 1908 - 1971 | D 2550add |
| MOSSE family | Cork | Gen. notes | 17c - c1890 | T 2934 |
| MOUNTCASHEL Earl | Galgorm / Ant | Estate sale details | c1847 | D 3751 |
| MOURNE GRANGE School | Kilkeel / Dow | Records | 1900 - 1971 | D 3430 |
| MOUTRAY Mrs | Favour Royal / Tyr | Lord Nelson letter | c1803 | T 2542 |
| MOUTRAY Estate | Ballynany / Tyr | Map | c1757 | D 2023add |
| MOUTRAY Estate | Derrygore / Tyr | Map | c1852 | D 2023add |
| MOUTRAY Estate | Favour Royal / Tyr | Rent acct. bks. etc | 1762 - 1773 | D 1716 |
| MOUTRAY Estate | Favour Royal / Tyr | I. L. C. papers | 1870 - 1910 | D 2607 |
| MOUTRAY Estate | Tullylinton / Tyr | Map | c1801 - 1802 | D 2023add |
| MOUTRAY family | Augher / Tyr | Title deeds | 1877 - 1919 | D 2757/7 |
| MOUTRAY family | Favour Royal / Tyr | Fam/Estate papers | from 1648 | D 2023add |
| MOUTRAY family | Tully / Tyr | Title deeds | 1877 - 1919 | D 2757/7 |
| MOUTRAY family | Gen. notes | c1914 | D 2023 | |
| MOUTRAY family Estate | Favour Royal / Tyr | Estate records | 1869 - 1945 | D 2023add |
| MOUTRAY family Estate | Favour Royal / Tyr | I.L.C. papers etc | 19c | D 2023 |
| MOUTRAY Whitney | Augher / Tyr | Maps, sale details | c1858 | D 2658add |
| MOUTRAY C. F. Estate | Derrynoose / Arm | Misc. papers | c1888 - c1900 | D 2023 |
| MOYNAGH J. M. | Rainanny / Mon | Copy Will | c1785 | Mic 426 |
| MOYNE Daniel | Kiltamnagh / Tyr | Lease | c1803 | T 3199add |
| MULHERN James & Co. Ltd | Enniskillen / Fer | Business records | 1918 - 1961 | D 3579 |
| MULHOLLAND | Lisburn / Ant | Deeds | 1833 - 1847 | T 1905 |
| MULHOLLAND Arthur | Kilrea / Ldy | Will | c1885 | T 1586 |
| MULHOLLAND family | Belfast | Gen. notes | 1771 - 1821 | T 2773 |
| MULHOLLAND family | Downpatrick / Dow | Lords Dunleath notes | 1822 - 1927 | D 1167add |
| MULHOLLAND family | Talbot St. Belfast | Title deeds | 1796 - 1887 | T 2773 |
| MULHOLLAND Roger Archit | Belfast | Will abstract | c1818 | T 2773 |
| MULLAN family | Glenroan / Tyr | Leases etc. | 1766 - 1772 | D 3733 |
| MULLAN family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| MULLAN family | Tartlaghan / Tyr | Title Deeds | 1868 - 1898 | T 1433 |
| MULLAN James | Armagh | Pub/Tobac accts | 1880 - 1889 | D 1652 |
| MULLANS family | Co Antrim | Gen. notes | 1848 - 1889 | D 2133 |
| MULLEN James | Londonderry / Ldy | Cert. of passage | c1853 | T 2002 |
| MULLHOLLAND family | Ballygoskin / Dow | Rental, maps | c1881 | D 2672 |
| MULLHOLLAND family | Ballywalter / Dow | Misc. Estate papers | 1765 - 1970 | D 1167add |
| MULLHOLLAND family | Downpatrick / Dow | Misc. Estate papers | 1765 - 1970 | D 1167add |
| MULLIGAN family | Tullyconnaught / Dow | Pedigree | 1726 - 1969 | D 3000/9 |
| MULLIGAN family | Banbridge / Dow | Gen. notes | 1641 - 1954 | D 2330 |
| MULLIGAN family | Banbridge / Dow | Gen. notes | 19c - early20c | D 3568add |
| MULLIGAN family | Cappagh / Dow | Copy title deeds | 1736 - 1906 | D 2426 |
| MULLIGAN family | Co. Down | Church records extr. | 1756 - 1923 | T 2699 |
| MULLIGAN family | Hilltown / Dow | Gen. notes | from 17c | D 2318 |
| MULLIGAN family | Seapatrick / Dow | Copy Title Deeds | 1854 - 1913 | D 2426 |
| MULLIGAN family | Tullyconnaught / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| MULLIGAN James | Lisnasliggan / Dow | Copy Will & Probate | c1836 | D 2426 |
| MULLIGAN Thomas | Island Magee / Ant | Lease of lands | c1823 | D 985 |
| MULLIGAN J & T Drapers | Belfast | Letter/ Robt. Allison | c1843 | T 1639 |
| MULLIGAN John Rev. | Lisnashanker / Dow | Lease | c1805 | D 3571 |
| MULVEY Anthony MP | Tyrone & Fermanagh | Misc. papers | 1945 - 1947 | D 1862 |
| MURDOCH family | Gen. notes | D 1725 | ||
| MURDOCK James & Sons Ltd | Mullaghbawn / Arm | Flax Mill records | 1944 - 1954 | D 2501 |
| MURDOCK Richard | Ballymullan / Dow | Copy Will | c1827 | T 2765 |
| MURE family | Co. Down | Gen. notes | from 17c | D 1759 |
| MURLAND Charles | Ardnabannon / Dow | Will & Probate | c1887 | D 3404 |
| MURLAND family | Castlewellan / Dow | ú6,000 legacy | c1905 | D 3404 |
| MURLAND James | Wood Lodge / Dow | Will & Probate | c1877 | D 3404 |
| MURLAND & Co. Solicitors | Downpatrick / Dow | Copy out letter bks. | 1867 - 1955 | D 3035 |
| MURNAGHAN George | Omagh / Tyr | A. Griffiths letters | c1918 | T 1635 |
| MURO family | Tullylish / Dow | Pedigree | 14c - 20c | D 3000/40 |
| MURPHY H. Rev | Dunluce / Ant | Diaries @ 4 vols | c1853 | D 1337 |
| MURPHY family | Ards. / Dow | Gen. notes | 1910 - 1916 | D 2353 |
| MURPHY family | Belfast | Title deeds etc. | 1796 - 1942 | D 3474 |
| MURPHY family | Belfast | Census extract | c1851 | D 3558 |
| MURPHY family | Carnmoney / Ant | Gen. notes | 1630 - 1920 | Mic 104 |
| MURPHY family | Erenagh / Dow | Title deeds / lands | 1831 - 1855 | T 1437 |
| MURPHY family | Loughmoney / Dow | Title deeds / lands | 1770 - 1928 | D 1144 |
| MURPHY family | Marshallstown / Dow | Title deeds / lands | 1831 - 1855 | T 1437 |
| MURPHY family | Middletown / Arm | Tenancy agree's | 1901 - 1927 | D 3619 |
| MURPHY family | Rathfriland / Dow | Title deeds | 1677 - 1808 | D 687 |
| MURPHY family | Rathfryland / Dow | Gen. notes | c1670 - 1962 | T2145,2198 |
| MURPHY family | Rathtrillick / Arm | Tenancy agree's | 1901 - 1927 | D 3619 |
| MURPHY family | Silverstream / Ant | Gen. notes | 1630 - 1920 | Mic 104 |
| MURPHY H.W. Lieut. | Dromara / Dow | Journal | 1864 - 1867 | D 2215 |
| MURPHY John | Donaghadee / Dow | Encumbered sale | 22 Oct 1858 | D 1201/22/3 |
| MURPHY John | Donaghadee / Dow | Encumbered sale | 22 Oct 1858 | T 931/7 |
| MURPHY Mary Anne | Lackan / Dow | Property agreement | c1881 | D 3536 |
| MURPHY Thomas | Larne / Ant | Copy Will | c1824 | D 3836 |
| MURRAY Anne Widow | Belfast | Copy Will/Probate | c1874 | Mic/61add |
| MURRAY Estate | Killymard / Don | Rental | 1845 - 1846 | T 2756 |
| MURRAY family | Ballinderry / Ant | Gen. notes | c1700 - c1963 | T 2641 |
| MURRAY family | Ballyfinaghy / Ant | Leases, maps | 1790 - 1831 | D 1905add |
| MURRAY family | Ballymurphy / Ant | Leases, maps | 1863 - 1915 | D 1905add |
| MURRAY family | Derryaghy / Ant | Gen. notes | c1700 - c1963 | T 2641 |
| MURRAY family | Stragullin / Tyr | Title deeds | 1734 - 1900 | D 2124 |
| MURRAY James | Donaghaguy / Dow | Will | c1868 | T 2994 |
| MURRAY James Sir | Marr. Mary Allen | 1840 - 1864 | D 1661 | |
| MURRAY John | Kilruddan / Tyr | Two exercise books | 1814 - 1815 | D 1612 |
| MURRAY Michael | Monaghan / Mon | Letter re workhouse | c 1849 | T 1755 |
| MURRAY Robert | Ballyvesey / Ant | Lease | c1834 | D 3140add |
| MURTAGH family | Newry / Dow | Title deeds | 1805 - 1920 | T 1510 |
| MUSGRAVE family | Killybegs / Don | Title deeds | 1868 - 1934 | D 1959 |
| MUSGRAVE family | Gen. notes | D 1725 | ||
| MUSGRAVE & Co | Belfast | Business records | 1858 - 1965 | D 1991 |
| MUSSEN family | Lisburn / Ant | Pedigree | 1650 - 1969 | T 2751 |
| MUSSEN family | Magheragall / Ant | Pedigree | 1650 - 1969 | T 2751 |
| MUSSEN Sarah A. | Belfast | Copy Will & Prob. | c1886 | D 3660 |
| MUSSENDEN family | Ballymurry / Dow | Leases etc. | c1730 - 1800 | D 354add |
| MUSSENDEN family | Cabragh / Dow | Leases etc. | c1730 - 1800 | D 354add |
| MUSSENDEN family | Edenslate / Dow | Leases etc. | c1730 - 1800 | D 354add |
| MUSSON family | Derryaghy / Ant | Gen. notes | 1690 - 1880 | D 260add |
| MUSTER ROLLS | Co Antrim | 17c | D 1759 | |
| MUSTER ROLLS | Co Cavan | 17c | D 1759 | |
| MUSTER ROLLS | Co Donegal | 17c | D 1759 | |
| MUSTER ROLLS | Co Down | 1630 - 1631 | D 1759/3C/1 | |
| MUSTER ROLLS | Co Fermanagh | 17c | D 1759 | |
| MUSTER ROLLS | Co Londonderry | 17c | D 1759 | |
| MUSTER ROLLS | Co Monaghan | 17c | D 1759 | |
| MUSTER ROLLS | Co Tyrone | 17c | D 1759 | |
| MUSTER ROLLS | Donaghadee / Dow | c1642 | T 3726/1 | |
| MUSTER ROLLS | Scottish Army in Ireland | 2 reels micro-film | c1642 | Mic 521 |
| MUSTER ROLLS | Co Down | 1642 - 1643 | T 563/1 | |