Deputy Keeper's Reports - Co Donegal References
Held at PRONI
Submitted by Stanley Nesbitt
R-S
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 |
| RACEVIEW Woollen Mills | Broughshane / Ant | Business records | 1893 - 1935 | D 1933 |
| RACEVIEW Woollen Mills | Broughshane / Ant | Business records | 1897 - 1962 | D 1933add |
| RADCLIFF family | Dunmurray / Ant | Title deeds etc. | 1792, 1871 | D 3521 |
| RAFFIELD (Raphael) John | Galgorm / Ant | L of Admin, Will | c1821 | D 3751 |
| RAILWAY DISASTER | Armagh | Belfast Wkly. News | c1889 | D 1380 |
| RAINEY family | Galgorm / Ant | Test. papers, accts | 1810 - 1850 | D 1911 |
| RAINEY CHARITY | Downpatrick / Dow | Acct. book | 1842 - 1895 | D 937 |
| RAINSFORD family | Ballymartin / Dow | Title deeds etc. | 1808 - 1941 | D 3362 |
| RAKESTRAW Edward | Lisburn / Ant | Lease | c1756 | D 692 |
| RALPH Thomas | Dundrum / Tipp | Map | c1805 | D 2719 |
| RALSTON James | Ballymoney / Ant | Emigration cert. | c1736 | T 1177 |
| RAMADGE family | Faganstown / Meath | Legal papers | c1880 | D 1137 |
| RAMADGE family | Rostrevor / Dow | Legal papers | 1845 - 1886 | D 1137 |
| RAMADGE H. G. Lieut. | Newry / Dow | Diary / King's Own | c 1859 | D 850 |
| RAMSAY family | Culramoney / Ant | Burial notices | 1859 - 1894 | D 1688 |
| RAMSAY Hugh | Culramoney / Ant | School exercise bk. | c1828 | D 1688 |
| RAMSEY Estate | Letterkenny / Don | Leases etc. | c1802 - 1922 | D 2035 |
| RAMSEY Thomas | Donaghadee / Dow | Encumbered sale | 19 May 1858 | D 1201/23/12 |
| RAMSEY W.J. | Breckagh / Ant | Farm, map & surrey | c1884 | D 2052 |
| RAMSEY W.J. | Culramoney / Ant | Farm, map & surrey | c1884 | D 2052 |
| RANFURLEY Earl Estate | Dungannon / Tyr | Rentals, maps etc. | c1909 | D 2138 |
| RANFURLY Earl Estate | Dungannon / Tyr | Maps | 1770 - 1838 | D 1932 |
| RANFURLY Earl Estate | Dungannon / Tyr | Rent accts. | 1857 - 1925 | D 1932 |
| RANFURLY Earl Estate | Dungannon / Tyr | Sale particulars | c1909 | D 804 |
| RANFURLY Earl Estate | Dungannon / Tyr | Title dees etc. | from 17c | D 1932 |
| RANFURLY family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| RANFURLY family | Northland Ho. D'gannon | Photo. | c1920 | T 3707 |
| RANFURLY Lord | Dungannon / Tyr | Sale papers |
1909 |
D 1217 |
| RANKEN Martha | Coleraine / Ldy | Will | c1805 | T 2008 |
| RANKEN Samuel | Coleraine / Ldy | Will | c1790 | T 2008 |
| RANKIN David | Frederick Co. Virginia | Will | c1757 | T 2067 |
| RANKIN family | Corranarry / Tyr | Pedigree | c1700 - 1966 | D 3000/10 |
| RANKIN family | Devenish / Fer | Pedigree | 1630 - 1875 | T 1258 |
| RANKIN family | Drumnahough / Don | Gen. notes | 1790 - c1930 | T 1884 |
| RANKIN family | Tullydevenish / Fer | Gen. notes | c1600 - 1815 | T 2615 |
| RANKIN Frances M. Miss | Carndonagh / Don | Rent ledgers etc | 1850 - 1923 | T 2799 |
| RANKIN P. | Newry / Dow | Arrest & Imprison | c1920 | D 2355 |
| RAPHAEL Estate | Whithead / Ant | Legal papers | c1880 - c1935 | D 2658 |
| RAPHAEL family | Ahoghill / Ant | Ahoghill history | 12c - 1901 | T 3191 |
| RAPHAEL family | Galgorm / Ant | Misc. papers | 1724 - 1926 | D 3751 |
| RAPHAEL family | Galgorm / Ant | Test. papers, accts | 1810 - 1850 | D 1911 |
| RAPHAEL family | Galgorm / Ant | Gen. notes | from 17c | D 3751 |
| RAPHAEL family | Glenwhirry / Ant | Title deeds | 19c - 20c | D 1911add |
| RATHFRILAND GAS Co. | Rathfriland / Dow | Deed of settlement | c1855 | D 689 |
| RAWDON family | Moira / Dow | Misc. papers | 1624 - 1810 | T 3765 |
| RAWDON family | Montalto / Dow | Misc. papers | 1624 - 1810 | T 3765 |
| RAWDON John Sir | Earl of Moira | Misc. letters | 1722 - c1800 | D 2924 |
| RAY family | Co. Down | Typed history | c1750 - c1980 | D 3000/86 |
| RAYNES E. S. Miss | Co Antrim | Autobiography | 184 - 1896 | D 2452 |
| REA David | Ballymena / Ant | Copy Will | c1720 | D 2453 |
| REA A. Mrs. | Carmel St. Belfast | Tenancy agreements | 1932 - 1940 | D 2510add |
| REA Edward | Inch / Dow | Parish history | compiled c1926 | T 3599 |
| REA family | Aughnacloy / Tyr | Gen. notes | 1808 - 1971 | T 2551 |
| REA family | Ballynahinch / Dow | Gen. notes | D 3000/149 | |
| REA family | Banbridge / Dow | Gen. notes | c1940 | T 1946 |
| REA family | Co. Down | Gen. notes | from 17c | D 1759 |
| REA family | Dromore / Dow | Gen. notes | 1808 - 1971 | T 2551 |
| REA family | Dromore / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| REA family | Drumshee / Dow | Copy title deeds | 1733 - 1889 | T 2699 |
| REA family | Drumskee / Dow | Gen. notes | late 17c - c1890 | T 2980 |
| REA family | Edentiroory / Dow | Copy title deeds | 1733 - 1889 | T 2699 |
| REA family | Holywood / Dow | Gen. notes | D 3000/149 | |
| REA family | Monree / Dow | Copy title deeds | 1733 - 1889 | T 2699 |
| REA family | Saintfield / Dow | Blackwood pedigree | late18c - mid19c | Mic 315add |
| REA family | St. Columb's Ldy. City | Misc. papers | 1660 - 1925 | D 642add |
| REA family | St. Johnston / Don | Gen. notes | late 17c - c1890 | T 2980 |
| REA J. Harris | Banbridge / Dow | Grant of Arms | c1921 | T 2980 |
| REA John | Belfast | Election speech | c1880 | T 1399 |
| REA John | St. Columb's Ldy. | Copy Will & Prob. | c1832 | D 642add |
| REA John | Londonderry | Letters of Admin | c1810 | D 642add |
| REA John Harris | Belfast | Grant of Arms | c1921 | T 2551 |
| REA William | Lisdownan / Dow | Grant release lands | c1811 | D 3300/11 |
| READ Charlotte Mrs | Ballinran / Dow | Encumbered sale | 15 Apr 1853 | D/313/195 |
| READ Charlotte Mrs | Ballyhanery / Dow | Encumbered sale | 15 Apr 1853 | D/313/195 |
| READ Thomas | Dundalk / Louth | Agreement | c1782 | D 2627 |
| RED HALL Estate | Ballycarry / Ant | Sale catalogue | c1860 | D 892 |
| RED HALL Estate | Whitehead / Ant | Sale catalogue | c1860 | D 892 |
| REDMAN family | Lisburn / Ant | Gen. notes | 1688 - 1900 | D 761 |
| REDMAN / REDMOND | Co Antrim | Gen. tables | 1750 - 1829 | T 2790add |
| REDMAN / REDMOND | Co Armagh | Gen. tables | 1750 - 1829 | T 2790add |
| REDMOND Estate | Ballyleny / Arm | Abstracts of Title | 1706 - 1885 | D 2784/17 |
| REDMOND Estate | Drumnakelly / Arm | Abstracts of Title | 1706 - 1885 | D 2784/17 |
| REDMOND Estate | Maynooth / Arm | Abstracts of Title | 1706 - 1885 | D 2784/17 |
| REDMOND Estate | Richhill / Arm | Abstracts of Title | 1706 - 1885 | D 2784/17 |
| REDMOND Estate | Rockmacreeny /Arm | Abstracts of Title | 1706 - 1885 | D 2784/17 |
| REDMOND family | Co Waterford | Pedigree | c1058 - 1887 | T 2790 |
| REDMOND family | Co. Wexford | Pedigree | c1058 - 1887 | T 2790 |
| REDMOND family | Queen's Co. | Pedigree | c1058 - 1887 | T 2790 |
| REED Alexander | Leck / Don | Letter from USA | c1795 | T 1466 |
| REED James | Carnhill / Ant | Stock breeding lease | c1800 | D 2049 |
| REFORD Ellen | Tawnybrack / Ant | Renewal of lease | c1862 | D 2178 |
| REFORD family | Antrim / Ant | Title deeds etc. | 1733 - 1792 | T 3029 |
| REFORD family | Co. Antrim | Family papers | 1732 - 1904 | T 3028 |
| REFORD family | Moylinny / Ant | Gen. notes | 15c - 1900 | T 3029 |
| REFORD family | Moylinny / Ant | Title deeds etc. | 1733 - 1792 | T 3029 |
| REFORD family | Tawnybrack / Ant | Title deeds etc. | 1733 - 1792 | T 3029 |
| REFORD family | Tawnybrack / Ant | Leases | 1817 - 1839 | T 3722 |
| REFORD Joseph | Antrim / Ant | Copy Will / Probate | c1793 | T 3028 |
| REFORD Joseph | Antrim / Ant | Will | c1804 | T 3028 |
| REFORD Lewis | Antrim / Ant | Will | c1760 | T 3029 |
| REFORD Lewis | Antrim / Ant | Apprent. Indent. | c1826 | T 3028 |
| REFORD Robert | Antrim / Ant | Will | c1760 | D 799 |
| REFORD Joseph Excise Off. | Antrim / Ant | Corresp. | 1806 - 1826 | T 3028 |
| REFORD Lewis Mrs | Spring Farm / Ant | Map | c1745 | T 3029 |
| REGAN John M. | Ireland | RIC/RUC career | c1960 | D 3160 |
| REGISTRARS DISTRICT | Ballymoney / Ant | Marr. Notice Book | 1852 - 1863 | D 1955 |
| REID James P | Blackwatertown / Arm | Court Rental | c1875 | D 1789 |
| REID Andrew | Ballybought / Ant | Sale of farms | c1893 | D 3140add |
| REID Andrew | Belfast | Estate administrator | c1873 | D 2715 |
| REID family | Armagh / Arm | Misc. papers | 1827 - 1977 | D 3014 |
| REID family | Balleer / Arm | Misc. papers | 1827 - 1977 | D 3014 |
| REID family | Ballymoney / Dow | Gen. notes | from early 18c | D 3083 |
| REID family | Co. Down | Will Extracts | D 1759 | |
| REID family | Drumgaw / Arm | Misc. papers | 1827 - 1977 | D 3014 |
| REID family | Drumgaw / Arm | Pedigree | c1760 - 1956 | T 2466 |
| REID family | Kells / Ant | Pedigree | c1800 - c1966 | T 2259 |
| REID family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| REID family | Lisnadill / Arm | Misc. papers | 1827 - 1977 | D 3014 |
| REID family | Slieveroe / Mon | Gen. notes | 17c - 1981 | D 3669 |
| REID family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| REID Forrest | Belfast | Novelist corresp. | 1927 - 1957 | Mic 45/1-2 |
| REID Forrest | Londonderry | Emig. letter | c1891 | D 2035 |
| REID Mayne | Ballymoney / Dow | Misc. papers | from early 18c | D 3083 |
| REID Mayne Author | Ballymoney / Ant | 1818 - 1883 | D 2802 | |
| REID Mayne Author | Ballymoney / Ant | 1818 - 1883 | Mic 258 | |
| REID Thomas M. Rev. | Mornview,R'fryland/Do | Copy affidavit | c1861 | T 3706 |
| REILLY family | Scarva / Dow | Title deeds etc. | 1718 - 1957 | D 1905/2add |
| REILLY family | Scarva / Dow | Title deeds | 1736 - 1834 | D 1905 |
| REILLY William Edmund | Clonallan / Dow | Encumbered sale | 7 Jul 1853 | D1905/2/167,8 |
| REMINGTON Schools | Coleraine / Ldy | Memo | 1832 - 1838 | T 3190 |
| REMINGTON Schools | Cookstown / Tyr | Memo | 1832 - 1838 | T 3190 |
| REMINGTON Schools | Magherafelt / Ldy | Memo | 1832 - 1838 | T 3190 |
| RENTON Richard | Galgorm / Ant | Conveyance / lands | c1667 | D 774 |
| REYNOLDS | Co Antrim | Pedigree | 1649 - 1907 | T 2120 |
| REYNOLDS | Co Londonderry | Pedigree | 1649 - 1907 | T 2120 |
| REYNOLDS | Co Tyrone | Pedigree | 1649 - 1907 | T 2120 |
| REYNOLDS family | Ballymoney / Ant | Title deeds etc. | 1800 - 1913 | D 1013 |
| REYNOLDS family | Coleraine / Ldy | Statement of Title | c1800 - 1836 | D 2738add |
| REYNOLDS family | Drumnafivey / Ant | Title deeds etc. | 1800 - 1913 | D 1013 |
| REYNOLDS family | Gen. notes | D 1725 | ||
| REYNOLDS W. J. MP | Dungannon / Tyr | Political corresp. | from 1879 | D 1813 |
| REYNOLDS Bros. Engineers | Belfast | Memo machinists | 1864 - 1871 | D 1030 |
| RICE family | Coleraine / Ldy | Title deeds etc. | 1781 - 1908 | D 699 |
| RICE family | Killeen / Arm | Title deeds, leases | 1781 - 1897 | D 1524add |
| RICE Robert | Coleraine / Ldy | Copy lease | c1790 | T 2970 |
| RICHARDSON Estate | Mountcaulfield / Arm | Copy rentals | 1878 - 1883 | D 2362 |
| RICHARDSON A.W. Miss | Moyallen Ho. Gilford / D | Letters | 1880 - 1919 | D 2826/69 |
| RICHARDSON Anne Wakefield | 11 letters | 1884 - 1932 | D 1006add | |
| RICHARDSON David | Drum / Tyr | Copy Will | c1797 | D 2002/T/1add |
| RICHARDSON Edith Quaker | Moyallen / Dow | m. George Williams | c1897 | D 2826 |
| RICHARDSON Estate | Annaghmore / Arm | Rentals | c1853 - 1906 | D 959 |
| RICHARDSON Estate | Clogher / Tyr | Letters | 1844 - 1853 | D 2375 |
| RICHARDSON Estate | Mountcaulfield / Arm | Misc. papers | 1874 - c1930 | D 2628 |
| RICHARDSON Estate | Richhill / Arm | Rentals etc. | 1822 - 1909 | D 1606 |
| RICHARDSON family | Augher / Tyr | Title deeds etc. | 1829 - 1837 | D 1118 |
| RICHARDSON family | Belfast | Title deeds etc. | 1862 - 1901 | D 2998 |
| RICHARDSON family | Bessbrook / Arm | Misc. papers | 1841 - 1943 | T 2571add |
| RICHARDSON family | Bessbrook / Arm | Misc. papers | 1854 - 1930 | D 2362 |
| RICHARDSON family | Bessbrook / Arm | Misc. papers | from late 19c | D 2826add |
| RICHARDSON family | Brooklands / Ant | Pedigree | from 17c | T 2567 |
| RICHARDSON family | Candytringle / Fer | Renewal of leases | c1884 | D 2367 |
| RICHARDSON family | Coalisland / Tyr | Gen. notes | 1935 - 1936 | D 1840add |
| RICHARDSON family | Cos. Ant,Tyr,Arm | Gen. notes | c1700 - c1900 | D 979 |
| RICHARDSON family | Dring / Fer | Renewal of leases | c1884 | D 2367 |
| RICHARDSON family | Dungannon / Tyr | Title deeds | 1770 - 1871 | D 1730 |
| RICHARDSON family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| RICHARDSON family | Gilford / Dow | Title deeds etc. | c1780 - c1914 | D 1252 |
| RICHARDSON family | Inishowen / Don | Title deeds, leases | 1762 - 1891 | D 2362 |
| RICHARDSON family | Kilruddan / Tyr | Farm acct book | mid19c | T 1579 |
| RICHARDSON family | Lambeg / Ant | Corresp. | 1884 - 1923 | D 2362add |
| RICHARDSON family | Lisburn / Ant | History brochure | 1654 - c1934 | D 1133add |
| RICHARDSON family | Lisburn / Ant | Corresp. | 1884 - 1923 | D 2362add |
| RICHARDSON family | Lisburn / Ant | Gen. notes | 1935 - 1936 | D 1840add |
| RICHARDSON family | Lisburn / Ant | Pedigree | from 17c | T 2567 |
| RICHARDSON family | Loughgall / Arm | Gen. notes | 1602 - c1814 | T 1750 |
| RICHARDSON family | Loughgall / Arm | History brochure | 1654 - c1934 | D 1133add |
| RICHARDSON family | Loughgall / Arm | Gen. notes | c1600 - c1900 | T 2287 |
| RICHARDSON family | Lurgan / Ant | Gen. notes | c1600 - c1900 | T 2287 |
| RICHARDSON family | Lurgan / Arm | Gen. notes | 1935 - 1936 | D 1840add |
| RICHARDSON family | Lurgan / Arm | Title deeds etc. | c1780 - c1914 | D 1252 |
| RICHARDSON family | Moy / Tyr | Gen. notes | 1935 - 1936 | D 1840add |
| RICHARDSON family | Moyallen / Dow | Pedigrees | 1602 - 1960 | T 2614 |
| RICHARDSON family | Moyallen / Dow | Misc. papers | 1793 - 1929 | D 2362add |
| RICHARDSON family | Moyallen / Dow | Misc. papers | 1841 - 1943 | T 2571add |
| RICHARDSON family | Moyallen / Dow | Misc. papers | 1854 - 1930 | D 2362 |
| RICHARDSON family | Moyallen / Dow | Title deeds etc. | c1780 - c1914 | D 1252 |
| RICHARDSON family | Moyallen / Dow | Notes & photos | early 20c | D 1210 |
| RICHARDSON family | Portadown / Arm | Title deeds etc. | c1780 - c1914 | D 1252 |
| RICHARDSON family | Richhill / Arm | Typed family list | from 17c | D 1449add |
| RICHARDSON family | Rossfad / Fer | Typed family list | from 17c | D 1449add |
| RICHARDSON family | Springfield, Lisburn /Ant | Title deeds etc | 1851 - 1929 | D 1905add |
| RICHARDSON family | Stewartstown / Tyr | Misc. papers | 1571 - 1909 | D 2362add |
| RICHARDSON family Lands | Co Monaghan | Title deeds, etc | 1807 - 1926 | D 3406add |
| RICHARDSON Henry | Rossfad / Fer | Improvements | c1847 | T 1230 |
| RICHARDSON J. & J. | Lisburn / Ant | Business records | 1784 - 1817 | Mic 120 |
| RICHARDSON J. N. | Bessbrook / Arm | Press cuttings | c1880 - 1918 | Mic 84 |
| RICHARDSON J. N. | Bessbrook /Arm | Title deeds, leases | 1891 - 1920 | D 2965 |
| RICHARDSON J. N. MP | Bessbrook / Arm | Misc. papers | 1880 - 1914 | D 2956 |
| RICHARDSON James N Quak | Lisburn / Ant | Corresp. | 1833 - 1847 | T 1489 |
| RICHARDSON John | Donaghmore / Tyr | Copy Will | c1843 | D 1742add |
| RICHARDSON Jonathan | Ingram Lodge / Ant | Acct. Books | 1825 - 1862 | D 3557 |
| RICHARDSON Joseph | Stramore / Dow | Copy Will | c1803 | Mic 76 |
| RICHARDSON Mary | Richhill / Arm | Post nuptial settlem | c1740 | D 1606add |
| RICHARDSON Thomas | Eagralougher / Arm | Will | c1775 | D 1524add |
| RICHARDSON William | Ballinderry / Ldy | Testimonial | c1824 | T 3534 |
| RICHARDSON William | Ballyvennox / Ldy | Lease | c1731 | T 2646 |
| RICHARDSON William | Richhill / Arm | Lease of lands | c1791 | D 1008 |
| RICHARDSON family Estate | Augher / Tyr | Misc. corresp. | 1806 - 1822 | D 1006 |
| RICHARDSON family Estate | Clogher / Tyr | Misc. corresp. | 1806 - 1822 | D 1006 |
| RICHARDSON'S Spinning Mi | Vitriol Isl. Lisburn / Ant | Legal costs | c 1839 | D 817 |
| RICHEY family | Broughshane / Ant | Title deeds,leases | 1800 - 1844 | D 3561add |
| RICHEY family | Drumsill / Ant | Title deeds,leases | 1800 - 1844 | D 3561add |
| RICHEY family | Moyrusk / Ant | Title deeds,leases | 1800 - 1844 | D 3561add |
| RICHEY family | New Park / Ant | Title deeds | 1768 - c1890 | Mic 144 |
| RICHEY James | Moyrusk / Ant | Will | c1849 | D 3561add |
| RIDDEL family | Gen. notes | D 1725 | ||
| RIDDELL George Scott | Armagh | Conveyance | c1874 | T 1770 |
| RIDDELL family | Belfast | Gen. notes | 1843 - 1912 | D 2975 |
| RIDDELL family | Belfast | Title deeds etc. | 1859 - 1924 | D 2489add |
| RIDDELL Henry | Ballymena / Ant | Diary | 1836 - 1839 | T 1491 |
| RIDDLE family | Gorticross / Ldy | Pedigree | 1663 - 1893 | T 2439 |
| RINGLAND family | Killyleagh / Dow | Gen. notes | 1770 - 1973 | D 3000/8 |
| RIORDAN James Crown Solic | Fermanagh | Crown briefs | c1900 - c1907 | D 2089 |
| RIORDAN James Crown Solic | Tyrone | Crown briefs | c1900 - c1907 | D 2089 |
| RIOT | Armagh | Map | 12 July 1845 | D 1174 |
| RIOT | Belfast | Returns | c1886 | D 2227 |
| RIOT | Lurgan / Arm | Sectarian disturbs. | c1879 | D 1600 |
| RIOT | Tempo / Fer | Election | c1896 | D 1096 |
| RIOT Dolly's Brae | Castlewellan / Dow | Press report | 12 June 1849 | T 1748 |
| RIOT Orange / Hiberian | Magherafelt / Ldy | Brief | 1187 | Mic/111/1 |
| RIOTS | Belfast | Misc. papers | 1857 - 1872 | Mic 327 |
| RIPLEY family | Drumnakelly / Arm | Test. papers | 1827 - 1871 | T 1709 |
| RIPLEY family | Drumnakelly / Arm | Gen. notes | from 19c | T 2450 |
| RIPLEY Henry | Drumnakelly / Arm | Will | c1827 | D 2296 |
| RITCHIE Dr. | Belfast | Libel/Bel. Telegraph | 1881 - 1882 | D 930 |
| RITCHIE family | Belfast | Misc. corresp. | 1851 - 1954 | D 3085 |
| RITCHIE George | Straid / Ldy | Emig. letters | 1849, 1851 | T 3292 |
| RITCHIE John | Adelaide Park / Belfast | Sale details | c1890 | D 2534 |
| RITCHIE Thomas Hay | Ballymacarret / Belfast | Deeds/ trust papers | 1846 - 1938 | D 2633 |
| RITCHIE Thomas Hay | Mountpottinger / Belfas | Deeds/ trust papers | 1846 - 1938 | D 2633 |
| RITCHIE William B. | Skegoneill / Belfast | Final notice tenants | c1876 | D 2562 |
| RITTER family | Tamlaght / Arm | Title deeds, leases | 1890 - 1893 | D 2784/17 |
| ROBB family | Ballysallagh / Dow | Gen. notes | c1700 - c1900 | T 1454,1469 |
| ROBB family | Ballysallagh / Dow | Emig. letters | from 1820s | T 1454,1469 |
| ROBB family | Bangor / Dow | Pedigree | c1700 - 1933 | T 1393 |
| ROBB J. & Co. | Belfast | Rules for assistants | c1874 | T 1339 |
| ROBB James | Ballysallagh / Dow | Rent receipts | c1704 | D 913 |
| ROBB John Land Stewart | Killeaton / Ant | Charley Est. docs. | 1851 - 1853 | D 3181 |
| ROBB John Land Stewart | Kilmakee / Ant | Charley Est. docs. | 1851 - 1853 | D 3181 |
| ROBB John Land Stewart | Poleglass / Ant | Charley Est. docs. | 1851 - 1853 | D 3181 |
| ROBB Nesca Adeline Dr. | Ballyhackamore / Belfast | Author/ misc. papers | 1906 - 1974 | D 3847 |
| ROBERTS Colonel | Co. Meath | Photo album | 1860 - 1887 | Mic 344 |
| ROBERTS Edward Estate | Strabane / Tyr | Plans | c1659 | T 2314 |
| ROBERTS Edward Estate | Strabane / Tyr | Plans | c1659 | T 2444 |
| ROBERTS family | Lurgan / Arm | Gen. notes | 1830 - 1980 | D 3000/60 |
| ROBERTS Sarah | Athlone / Westmeath | Letters patent | c1669 | T 2361 |
| ROBERTSON Estate | Ligfordrum / Tyr | Rentals & accts. | 1834 - 1880 | D 2298 |
| ROBERTSON family | Ireland | Gen. notes | c1650 | Mic 158 |
| ROBERTSON Francis Col. | Co. Donegal | Will | c1790 | D 2913 |
| ROBINSON Alexander | Ballycastle / Ant | Will | c1851 | T 3420 |
| ROBINSON Catherine | Co. Tyrone | Sketches / trial | c1882 | T 2275 |
| ROBINSON David | Tamlaght / Ant | Title deeds | 1883 - 1895 | T 1586 |
| ROBINSON Edward | Aghaloughan / Ant | Probate | c1857 | D 782 |
| ROBINSON family | Armagh City | Gen. notes | early18c - 1985 | D 3000/129 |
| ROBINSON family | Ballycastle / Ant | Misc. papers | 1851 - 1911 | T 3420 |
| ROBINSON family | Ballynameta / Arm | Gen. notes | early18c - 1985 | D 3000/129 |
| ROBINSON family | Co Down | Gen. notes | 1693 - 1896 | D 2453 |
| ROBINSON family | Co Down | Gen. notes | from 17c | T 2648 |
| ROBINSON family | Drumcaw / Dow | Gen. notes | c1880 - c1890 | T 2037 |
| ROBINSON family | Edenordinary / Dow | Title deeds | 1845, 1857 | D 2045 |
| ROBINSON family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| ROBINSON family | Omagh / Tyr | Gen. notes | 1854 - c1970 | D 3000/72 |
| ROBINSON family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| ROBINSON Hannah | Carnmoney / Ant | ms John Mawhinney | c1795 | D 3140add |
| ROBINSON James | Culdoo / Ant | Copy Will | c1769 | D 1675 |
| ROBINSON John Rev. Sir. | Armagh City / Arm | Map | c1825 | D 1524add |
| ROBINSON Margaret | Londonderry / Ldy | Lease / Shipquay G. | c1829 | T 1628 |
| ROBINSON Mary | Londonderry | Emig. letter | c1817 | D 2013 |
| ROBINSON Robert | Ballynahinch / Dow | Probate | c1879 | T 1610 |
| ROBINSON TEMP. HOTEL | Belfast | Visitor's register | 1886 - 1969 | D 3144 |
| ROBISON family | Stewartstown / Tyr | Legal papers | c1760 - c1850 | D 1618 |
| ROBISON Charles Col. | St Johns Canada | Court Mars. papers | c1800 | D 1618 |
| ROBSON John | Bangor / Dow | Test. papers | 1911 - 1912 | D 2489add |
| ROBSON John | Belfast | Test. papers | 1911 - 1912 | D 2489add |
| ROCHE Estate | Fintona / Tyr | Title deeds etc. | 1783 - 1908 | D 1024 |
| ROCHFORT Robert | Londonderry | Post Siege Fin. Sett | c1691 | T 2250 |
| ROCQUE J. | Ireland | Provinces map | c1794 | D 842 |
| RODGERS family | Edenreagh / Ldy | Misc. papers | 1796 - 1910 | D 2854 |
| RODGERS John Grocer | Annacloy / Dow | Business records | 1912 - 1957 | D 2434 |
| RODGERS Anna M. | Urney / Tyr | Teacher's certificate | c1851 | D 2163 |
| RODGERS family | Carnmoney / Ant | Family records | c1900 - c1940 | D 3568 |
| RODGERS family | Co. Down | Gen. tables, wills | 1757 - 1975 | T 3177 |
| RODGERS family | Gortnessy / Ldy | Misc. papers | 1796 - 1910 | D 2854 |
| RODGERS family | Hilltown / Dow | Gen. notes | from 17c | D 2318 |
| RODGERS Paul | Carrickfergus / Ant | Photo/shipyard staf | c1888 | T 2600 |
| RODGERS Robert Painter | Ballynahinch / Dow | Apprent. Indent. | c1888 | T 3000 |
| RODGERS William Robert | Belfast | Working papers | 1935 - 1969 | D 2833 |
| RODGERS William Robert | Loughgall / Arm | Working papers | 1935 - 1969 | D 2833 |
| ROE family | Kilmore / Arm | Gen. notes | from 1718 | Mic 76 |
| ROE John | Coolkerry / Queens | Rental | c1834 | D 612 |
| ROGER Paul | Carrickfergus / Ant | Shipyard notes | c1885 | D 1389 |
| ROGER Paul | Carrickfergus / Ant | Photo shipyard | c1887 | T 1867 |
| ROGERS Adam | Co Waterford | Re Wexford Militia | c1806 | D 1641 |
| ROGERS family | Blackslee / Fer | Pedigree | 1806 - 1920 | T 1258 |
| ROGERS family | Boundary St. Belfast | Title deeds | 1830 - 1880 | D 1169 |
| ROGERS family | Drumkirk / Dow | Title deeds | 1830 - 1880 | D 1169 |
| ROGERS family | Dunaghy / Ant | Pedigree | 17c - 1858 | D 2784/18 |
| ROGERS family | Nelson St. Belfast | Title deeds | 1830 - 1880 | D 1169 |
| ROGERS family | Trafalgar St. Belfast | Title deeds | 1830 - 1880 | D 1169 |
| ROGERS family | Tullynagowan / Fer | Pedigree | 1806 - 1920 | T 1258 |
| ROGERS James | Templemoyle / Ldy | Lease of lands | c1826 | T 1227 |
| ROGERS John | Ballyrenan / Tyr | Will | c1824 | D 1159 |
| ROLLESTON family | Killyclooney / Tyr | Misc. papers | 1808 - 1910 | D 2298add |
| ROLLESTON family | Ramelton / Don | Gen. notes | c1868 | T 2646add |
| ROLLESTON family | Strabane / Tyr | Misc. papers | 1808 - 1910 | D 2298add |
| ROLLESTON family | Tievenny / Tyr | Misc. papers | 1808 - 1910 | D 2298add |
| ROLSTON family | Drumbanagher / Arm | Gen. notes | c1800 - c1930 | T 2032 |
| ROMAN CATHOLIC Church | Dio. of Down/Connor | Parish registers | 1547 - 1880 | Mic/1D/add |
| ROMAN CATHOLIC Church | Diocese of Clogher | Parish registers | 1818 - 1880 | Mic/1D/add |
| ROMAN CATHOLIC Church | Diocese of Derry | Parish registers | 1545 - 1880 | Mic/1D/add |
| ROMAN CATHOLIC Church | Maghera / Ldy | New church subs. | 1825 - 1830 | T 2666 |
| ROMAN CATHOLIC Church | Ireland | Index to micro-films | 18c - 20c | T 3372 |
| ROMAN CATHOLIC Church | Kilkeel / Dow | Bap. & Marrs. | 1839 - 1877 | T 1529 |
| ROMAN CATHOLIC Church | Leitrim / Dow | Extracts baps, marrs | 1827 - 1874 | T 2637 |
| ROMAN CATHOLIC Church | Newry / Dow | Poor Clare's Convent | 1734 - 1838 | T 1461 |
| RONEY family | Belfast | Family papers | 1832 - 1867 | D 2339 |
| ROSBOROUGH family | Dunnamanagh / Tyr | Title deeds | 1926 - 1936 | D 983 |
| ROSE family | Ballymacashin / Dow | family corresp. | 1714 - c1950 | T 2717add |
| ROSE family | Bangor / Dow | family corresp. | 1714 - c1950 | T 2717add |
| ROSE family | Co Roscommon | Gen. notes | c1200 - c1900 | Mic 107 |
| ROSE family | Co. Tyrone | Gen. notes | c1200 - c1900 | Mic 107 |
| ROSEBANK Weaving Co. | Flax. St. Belfast | Business records | 1888 - 1960 | D 3273 |
| ROSE-CLELAND family | Bangor / Dow | Gen. notes | c1600 - c1900 | T 2160 |
| ROSE-CLELAND family | Rathgael / Dow | Gen. notes | 18c - c1950 | D 3000/126 |
| ROSE-CLELAND sisters | Rathgael / Dow | Photo. | c1920 | T 2717 |
| ROSS Estate | Rostrevor / Dow | Rentals etc. | c1770 | D 2223 |
| ROSS David | Rostrevor / Dow | Will | c1875 | D 1012 |
| ROSS David Robert | Kilbroney / Dow | Encumbered sale | 31 May 1853 | D 1201/23/23 |
| ROSS Edward | Derryaghy / Ant | Rentals etc. | 1766 - 1780 | D2743T2446 |
| ROSS Edward | Lisburn / Ant | Rentals etc. | 1766 - 1780 | D2743T2446 |
| ROSS Estate | Rostrevor / Dow | Title deeds etc. | 1946 - 1953 | D 2965add |
| ROSS family | Co. Down | Will Extracts | D 1759 | |
| ROSS family | Dungiven / Ldy | Corresp. etc. | 1806 - 1864 | D 1578 |
| ROSS family | Falls Rd. Belfast | Title deeds etc. | 1831 - 1911 | D 2920 |
| ROSS family | Larne / Ant | Title deeds tanyard | 1872 - 1884 | D 1647 |
| ROSS family | Londonderry | Gen. notes | c1600 - c1900 | D 1698 |
| ROSS family | Strabane / Tyr | Title deeds | 1766 - 1900 | D 2124 |
| ROSS George | Aghory / Arm | Map | c1893 | T 2680 |
| ROSS George | Ballyloughan / Arm | Map | c1893 | T 2680 |
| ROSS James Capt. Estate | Portavoe / Dow | Map & Survey | c1731 | T 1451 |
| ROSS Jean | Limavady / Ldy | ms Edward Edwards | c1739 | D 697 |
| ROSS John Surgeon | Ballymena / Ant | Copy Will | c1838 | D 1911add |
| ROSS Robert Sgt. | Egypt & France | Photos. 1st W. W. | D 1998 | |
| ROSS William | Belfast | Will | c1871 | D 816 |
| ROSS William Teacher | Carncastle / Ant | Testimonials | 1833 - 1840 | D 3801 |
| ROSS James Clark | HMS Terror, Antartic | Diary / crew member | 1839 - 1843 | D 869 |
| ROSS of BLADENSBURG | Rostrevor / Dow | Misc. papers | 1807 - 1845 | D 2004add |
| ROSS of BLADENSBURG | Rostrevor / Dow | Gen. notes etc | 18c - c1940 | T 3090 |
| ROSS of BLADENSBURG | Rostrevor / Dow | Legal papers etc | 1909 - 1939 | D 2965 |
| ROSS of BLADENSBURG | Rostrevor / Dow | Family records | 1727 - 1940 | D 2004 |
| ROSS W. A. & Sons Ltd. | Belfast | Min. Water manuf. | 1891 - 1954 | D 3087 |
| ROSSBOROUGH family | Co. Londonderry | Gen. notes | 1816 - 1952 | T 2178 |
| ROUTE HUNT | Co. Antrim | Mins. accts. etc. | c1828 - c1880 | T1638,D1086 |
| ROUTE HUNT | Co. Antrim | Mins. accts. etc. | c1828 - c1880 | T1660,Mic24 |
| ROUTE Temperance Est. Ltd | Contracts mins etc | 1883 - c1940 | T 2201 | |
| ROUTLEDGE Robert | Erris / Mayo | Rental & Sales | c1861 | D 2469 |
| ROWAN family | Killyleagh / Dow | Gen. table | 1477 - 1978 | D 3000/35 |
| ROWAN Archibald Hamilton | Killyleagh / Dow | Autobiogra. sketch | 1813 - 1823 | T 3309 |
| ROWAN Estate | Ahoghill / Ant | Title deeds etc. | 1739 - c1900 | D 1902 |
| ROWAN Estate | Killyleagh / Dow | Leases etc. | 1674 - 1853 | D 2223/23/1-2 |
| ROWAN family | Ahoghill / Ant | Gen. notes | 1753 - c1880 | T 2166 |
| ROWAN family | Ballytrustan / Dow | Title deeds, accts. | 1765 - ear20c | D 1023 |
| ROWAN family | Co Antrim | Gen. notes | 1848 - 1889 | D 2133 |
| ROWAN family | Dervock / Ant | Gen. notes | c1900 | T 1177 |
| ROWAN family | Killyleagh / Dow | Corresp. | 1738 - 1838 | D 2930 |
| ROWAN family | Mount Davys / Ant | Gen. notes | c1595 - c1900 | D 1909 |
| ROWAN family | Craigatempin / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN family | Drumard / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN family | Garry / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN family | Glenlough / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN family | Leitrim / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN family | Stroan Lower / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN family | Stroan Upper / Ant | Title deeds | c1800 - 1907 | D 2193 |
| ROWAN John | Merville / Ant | Conveyance | c1844 | T 1626 |
| ROWAN Robert W. Rev. | Mount Davys / Ant | Gen. notes | 1855, 1860 | T 3193 |
| ROWAN Samuel | Richhill / Arm | Lease of lands | c1791 | D 1008 |
| ROWAN Archibald Hamilton | Castlewilliam / Dow | Survey | c1808 | D 3403add |
| ROWAN Archibald Hamilton | Killyleagh / Dow | Survey | c1808 | D 3403add |
| ROWAN family Estate | Ahoghill / Ant | Title deeds | 1615 - 1937 | D 1614 |
| ROWAN William Field Mars | 52nd Light Inf. | Photograph | c1870 | D 3548 |
| ROWAN/HAMILTON H.G. | Clandeboye / Dow | m. Rt.Hon F. Temple | c1862 | D 3403add |
| ROWAN-HAMILTON G. W. | Ireland | Career notes | c 1835 | Mic 65 |
| ROWAN-HAMILTON G. W. | Killyleagh / Dow | Trust release | c1902 | D 3403 |
| ROWAN-LEGG family | Carrickfergus / Ant | Legal papers | 1674 - c11930 | D 2489add |
| ROWLAND family | Co. Armagh | Pedigree | c1730 - 1981 | D 3000/97 |
| ROWLEY Elizabeth | Culmore / Ldy | m. Dr. R. Lambert | c1716 | D 3569 |
| ROWLEY family | Culmore / Ldy. | Misc. papers | 1660 - 1925 | D 642add |
| ROWLEY Hercules Langford | Ballytromery / Ant | Lease | c 1754 | D 2697 |
| ROXBURG family | Newry / Dow | Pedigree | 16c - 19c | T 2747 |
| ROY John | Ballycastle / Ant | Lease of house | c1767 | T 3154 |
| ROYAL IRISH CONSTABUL. | Register of Service | 1816 - 1922 | Mic 454 | |
| ROYAL IRISH Constabulary | Stewartstown / Tyr | Inspec.&patrol bks. | 1833 - 1862 | D 804 |
| ROYAL IRISH FUSILIERS | Ireland | Historial notes | c1808 - 1957 | D 3574add |
| ROYAL TYRONE FUSILIERS | Co Tyrone | Photo of Officers | c1890 | D 987 |
| ROYAL ULSTER YACHT CLU | Bangor / Dow | Misc. records | 1871 - 1943 | D 2747add |
| ROYAL ULSTER YACHT CLU | Bangor / Dow | Misc. records | 1871 - 1943 | Mic 283 |
| ROYSE George Rev. | Belfast | Sermon King Wm. | c1690 | T 3053 |
| RUDDELL HERVEY & Co. | Belfast | Timber merch. accts | 1909 - 1956 | D 890 |
| RUDDY Terence Council Mem | Newry / Dow | Employment/allegati | 1926 - 1927 | D 921 |
| RUSSELL Robert | Ballymagee / Dow | Lease | c1786 | T 3055 |
| RUSSELL Ellen | Drumcullion / Fer | Release of lands | c1874 | D 990 |
| RUSSELL family | Belfast | Gen. notes | 1744 - c1900 | T 3266 |
| RUSSELL family | Co Antrim | Gen. notes | c1678 - 1856 | D 2453 |
| RUSSELL family | Dunmurray / Ant | Gen. notes | c1631 - 1943 | T 3266 |
| RUSSELL family | Edenderry / Dow | Gen. notes | late17c - 1984 | T 3266add |
| RUSSELL family | Newforge / Dow | Gen. notes | late17c - 1984 | T 3266add |
| RUSSELL family | Newry / Dow | Pedigrees | c1750 - 1885 | T 1345 |
| RUSSELL family | Newtownards / Dow | Title deeds | 1690 - 1889 | T 1931 |
| RUSSELL family | Newtownards / Dow | Test. papers | 1790 - 1889 | T 1986 |
| RUSSELL family | Newtownards / Dow | Gen. notes | 1840 - 1875 | T 1931 |
| RUSSELL family | Raphoe / Don | Emig. letter | 1851 - 1890 | T 3281 |
| RUSSELL Ferdinand Estate | Downpatrick / Dow | Estate rentals | 1892 - 1900 | D 3846 |
| RUSSELL Henry | Ballystrew / Dow | Reward | c1850 | T 2679 |
| RUSSELL Henry | Belfast | Will | c1869 | D 752 |
| RUSSELL Mary | Belfast | Probate | c1876 | T 1217 |
| RUSSELL Robert | Ballymagee / Dow | Lease | July 1749 | T 3359 |
| RUSSELL Robert | Ballymacashen / Dow | Conveyance | c1747 | T 1290 |
| RUSSELL Robert Marine Eng | Belfast | Career notes,dates | 1859 - 1955 | D 3704 |
| RUSSELL Thomas | Co. Down | Proclamation | c1798 | T 3306 |
| RUSSELL William | Ballymagee / Dow | Lease | c1786 | T 3055 |
| RUSSELL William | Ballymagee / Dow | Will | c1799 | T 3055 |
| RUSSELL William | Co. Down | Petition '98 rebellion | c1799 | T 3055 |
| RUSSELL J.W. & Co Solicitors | North Down | D 755, D 1188 | D 1206 | |
| RUTH family | Longfield / Ldy | Gen. notes | 1643 - c1980 | D 3000/74 |
| RUTHERFORD family | Co. Tyrone | Gen. notes | c1900 | T 1959 |
| RUTHERFORD family | Strabane / Tyr | Title deeds etc. | 1747 - 1803 | T 1336/1 |
| RUTHERFORD family | Strabane / Tyr | Title deeds, etc | 1778 - 1923 | D 2609 |
| RUTHERFORD James Canon | Belfast | 10 vols. Hist. P'ferry | 18c - 19c | D 3334 |
| RUTHLEDGE family | North St. Belfast | Title deeds, leases | 1829 - 1898 | D 3480 |
| RUTLAND Duchess | Ireland | Commonplace book | c1818 | D 1045 |
| RYDER family | Ireland | Misc. papers | 1727 - 1845 | T 3228 |
| RYDER John Rev. | Dean of Lismore | Copy Will | c1786 | D 3465add |
| SACHEVERELL Estate | Co. Armagh | List of Tenants | c1622 | T 2860 |
| SALMON C. Mr. Pro. Coll. | Belfast | His Presentation | c1818 | T 1361 |
| SALTER'S Estate | Magherafelt / Ldy | Survey | c1622 | T 2172 |
| SALTER'S Estate | Magherafelt / Ldy | Maps | c1837 | T 2172 |
| SALTER'S Estate | Salterstown / Ldy | I L C papers | late 19c | D 1583 |
| SAMPLE John | Cullion / Tyr | Will | c1867 | T 2722 |
| SAMPSON Arthur | Ballykelly / Ldy | Fishmonger's agent | 1858 - 1859 | T 2607 |
| SAMPSON family | Ireland | Gen. notes | c1650 - c1870 | T 1021add |
| SAMPSON family | Walworth / Ldy | Test. papers etc. | c1860 - c1900 | D 1550 |
| SANDEMAN family | Castlecoole / Fer | Copy deed | c1862 | T 2924 |
| SANDERSON family | Cady / Tyr | Title deeds etc. | 1630 - c1900 | T 1173 |
| SANDERSON family | Derryraghan / Tyr | Title deeds etc. | 1630 - c1900 | T 1173 |
| SANDERSON family | Killyneedan / Tyr | Title deeds etc. | 1630 - c1900 | T 1173 |
| SANDERSON family | Lisnaname / Tyr | Title deeds etc. | 1630 - c1900 | T 1173 |
| SANDERSON family | Tullylagan / Tyr | Title deeds etc. | 1630 - c1900 | T 1173 |
| SANDFORD Joe Bookie | Portrush/B'castle / Ant | Reminiscences | c1920 - c1940 | D 3662 |
| SANDHAM family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| SANDS James | Magheracranmoney/D | House plans | c1841 | D 1749 |
| SANDWICH Earl | Clare / Arm | Map of 1795 | c1806 | D 720 |
| SANKEY Estate | Templemoyle / Ldy | Rentals etc. | 1670 - 1901 | D 1550 |
| SAUL family | Ballyspurge / Dow | I.L.C. papers | late 19c | D 1255 |
| SAUL family | Downpatrick / Dow | I.L.C. papers | late 19c | D 1255 |
| SAUL family | Dromore / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| SAUNDERS Dr. | Belfast | Rent Acct. book | 1771 - 1778 | D 1759 |
| SAUNDERS Dr. | Carrickfergus / Ant | Rent Acct. book | 1771 - 1778 | D 1759 |
| SAUNDERS Dr. | Comber / Dow | Rent Acct. book | 1771 - 1778 | D 1759 |
| SAUNDERS Dr. | Newtownards / Dow | Rent Acct. book | 1771 - 1778 | D 1759 |
| SAUNDERS family | Belfast | Title deeds / leases | 1738 - 1789 | Mic 245 |
| SAUNDERSON Edward James | Rt Hon. Co Cavan | Misc. corresp. | 1866 - 1910 | T 2996 |
| SAUNDERSON Edward James | Rt Hon. Co Cavan | Misc. corresp. | 1866 - 1910 | Mic 281 |
| SAUNDERSON family | Castle Saunderson /Cav | Gen. notes | 1680 - 1821 | T 1859 |
| SAUNDERSON family | Inishmacsaint / Fer | Gen. notes | 1680 - 1821 | T 1859 |
| SAUNDERSON family | Magheraboy / Fer | Gen. notes | 1642 - 1942 | T 2190 |
| SAUNDERSON family | Newry / Dow | Title deeds | 1778 - 1855 | D 3480add |
| SAUNDERSON family | Shean / Fer | Gen. notes | c1612 - 1942 | T 2112 |
| SAUNDERSON James Estate | Annagelliff / Cav | Map | c1806 | D 3480add |
| SAUNDERSON James Estate | Ballintemple / Cav | Map | c1806 | D 3480add |
| SAUNDERSON James Estate | Grawky / Don | Map | c1832 | D 3480add |
| SAUNDERSON James Estate | Kilmore / Cav | Map | c1806 | D 3480add |
| SAUNDERSON Mary | Banbridge / Dow | Draft Will | c1848 | D 3805 |
| SAUNDERSON George Surgeo | Banbridge / Dow | Grant of Admin. | c1832 | D 3805 |
| SAUNDERSON Henry Munro | Portadown / Arm | Copy Will (Surgeon) | c1831 | D 3805 |
| SAURIN James Rev. | Seagoe / Arm | Marr. settlement | 1833 - 1859 | D 2754 |
| SAVAGE family | Co Down | Estate,family papers | c1680 - c1900 | D 552add |
| SAVAGE Alexander Rev. | Laurel Hill, P'pass/Arm | Acct. books | 1849 - 1876 | D 3533 |
| SAVAGE Dorcas Sophia | Copy Will | c1817 | D 552 | |
| SAVAGE Edward | Portaferry / Dow | Will | c1726 | D 552 |
| SAVAGE Edward | Portaferry / Dow | Will & pre Grant | c1736 | D 552 |
| SAVAGE Edward | Tieveshilly / Dow | Pre Will | c1806 | D 552 |
| SAVAGE family | Annamakeown / Dow | Title deeds | c1800 - 1850 | D 2426 |
| SAVAGE family | Co. Down | Gen. notes | 1731 - c1800 | D 740 |
| SAVAGE family | Co. Down | Gen. notes | from 17c | D 1759 |
| SAVAGE family | Co. Down | Will Extracts | D 1759 | |
| SAVAGE family | Kircubbin / Dow | Title deeds etc. | 1770 - 1921 | D 1039 |
| SAVAGE family | Portaferry / Dow | Pedigree | c1066 - c1960 | T 2868 |
| SAVAGE family | Saintfield / Dow | Pedigree | c1066 - c1960 | T 2868 |
| SAVAGE family | Ulster | Gen notes | c1100 - c1900 | T 1289 |
| SAVAGE family | Family history | post 1937 | T 1409add | |
| SAVAGE family Estate | Ballybranigan / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballycarn / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyfounder / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyhenry / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyhoily / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballymanish / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyphilip / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyquinton / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyrusley / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Ballyweird / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Corrog / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Craigaroddan / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Croft / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Derry / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Granagh / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Killydressy / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Kinlagh / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Portaferry Ho. / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Tara / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Tullyboard / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Tullycarnan / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Estate | Tuovhilly / Dow | Misc. papers | 1568 - 1962 | D 552 |
| SAVAGE family Mic 528 | Saintfield / Dow | Gen. notes | 12c - c1950 | D 3027add |
| SAVAGE Francis | Drumaroad / Dow | Copy Will | 1742 - 1743 | D 552 |
| SAVAGE Francis | Mountpottinger / Dow | Lease of lands | c1787 | T 1789 |
| SAVAGE Francis | Newcastle / Dow | Corresp. | 1786 - 1813 | D 3696 |
| SAVAGE Henry | Ardquin / Dow | Land Mortgage | c1640 | T 2452 |
| SAVAGE Hugh | Drumaroad / Dow | Copy Will | 1742 - 1743 | D 552 |
| SAVAGE James | Ballymanish / Dow | Copy pre Will | c1749 | D 552 |
| SAVAGE James | Drumaroad / Dow | Pre Will | c1776 | D 552 |
| SAVAGE James | Portaferry / Dow | Copy Will | c1733 | D 552 |
| SAVAGE James | Portaferry / Dow | Copy pre Will | c1752 | D 552 |
| SAVAGE James | Portaferry / Dow | Pre Will | c1754 | D 552 |
| SAVAGE John | Ballyvarley / Dow | Will & Copy | c1682 | D 552 |
| SAVAGE John | Portaferry / Dow | Pre Will & copy | c1736 | D 552 |
| SAVAGE Maria | Portaferry / Dow | Will | c1911 | T 2281 |
| SAVAGE Patrick | Co Down | Letter to Downshire | 24/10/1796 | D 607/D/252 |
| SAVAGE Patrick | Portaferry / Dow | Land Mortgage | c1640 | T 2452 |
| SAVAGE Patrick | Portaferry / Dow | Pre Will | c1644 | D 552 |
| SAVAGE Patrick | Portaferry / Dow | Copy Will | c1724 | D 552 |
| SAVAGE Patrick | Portaferry / Dow | Pre Will | c1726 | D 552 |
| SAVAGE Patrick | Copy Will | c1801 | D 552 | |
| SAVAGE Philip | Will | c1805 | D 552 | |
| SAVAGE Roger Hall Capt. | Narrow Water / Dow | Sloop "Martin" | c1805 | D 2916 |
| SAVAGE Rowland | Portaferry / Dow | Will | Pre 1619 | D 552 |
| SAVAGE Rowland | Ballygalget / Dow | Copy pre Will | c1644 | D 552 |
| SAVAGE Henry George | Ballybeen / Dow | Encumbered sale | 5 Nov 1858 | D 1201/23/21 |
| SAVAGE Henry George | Ballycloghan / Dow | Encumbered sale | 5 Nov 1858 | D 1201/23/21 |
| SAVAGE Henry George | Tullyhubbert / Dow | Encumbered sale | 5 Nov 1858 | D 1201/23/21 |
| SAVILE family | Anagirvey / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Coolmaghry / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Cormore / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Drumcorke / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Dunbiggan / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Eskermore / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Eskernabrogue / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Feddan / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Fernaghandrum / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Glenhoy / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Glennageeragh / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Gortavoy / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Kilgort / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Kilnaheery / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Knockmany / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Lisnarable / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Longridge / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Newtown Savile / Tyr | Estate papers | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Tamlaght / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Techany / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Tillnafole / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Tullybryan / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Tullycorker / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Tullynacross / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAVILE family | Tullyvally / Tyr | Leases | 1732 - 1832 | Mic370T3881 |
| SAWYER Richard | Dublin | Will | c1834 | D 612 |
| SAYERS family | Glenarm / Ant | Gen. notes | 1718 - 1869 | T 2142 |
| SAYERS Henry Spirit Merch | Gilford / Dow | Stock book | 1905 - 1915 | D 2966/65 |
| SCALLY family | Portballintrae / Ant | Letter re shipwreck | c1847 | T 1759 |
| SCHEFFLER-KNOX family | Prehen / Ldy | Gen. notes | c1562 | T 2451 |
| SCHOMBERG Duke | Paris | Letters | c1669 | T 2471 |
| SCHOMBERG Duke | Waringstown / Dow | Order /Bread supply | c1689 | T 1186 |
| SCHOOL | Belfast | Charters Mem. | 1878 - 1885 | D 2489add |
| SCHOOL | Garron Point / Ant | Roll books | 1859 - 1872 | T 3054 |
| SCLATER Edward | Downshire Est. / Dow | Photographs | 1876 - 1927 | D 1622 |
| SCOTT Charles Rev. | Belfast | Lord Dufferin corrsp | c1896 | D 926 |
| SCOTT Charles Rev. | Belfast | Antiquarian notes | c1900 | D 1751 |
| SCOTT De Lancey Brewer | Bangor / Dow | L of Admin goods | c1876 | D 3805 |
| SCOTT Estate | Londonderry City | Leases etc. | c1850 - 1930 | D 1550add |
| SCOTT Estate | Stranorlar / Don | Leases etc. | c1850 - 1930 | D 1550add |
| SCOTT Estate | Templemoyle / Ldy | Accts. | 1670 - 1901 | D 1550 |
| SCOTT Estate | Templemoyle / Ldy | Leases etc. | c1850 - 1930 | D 1550add |
| SCOTT family | Ballymacashen / Dow | Gen. notes | 1906 - 1959 | T 1618 |
| SCOTT family | Banagher / Ldy | Diary @ 2 vols. | 1887 - 1888 | D 1170 |
| SCOTT family | Belfast | Title deeds | 1753 - 1948 | D 1156 |
| SCOTT family | Belfast | Gen. notes | 1801 - 1959 | D 1751 |
| SCOTT family | Bonds Glen / Ldy | Pedigree | 1731 - 1880 | T 1583 |
| SCOTT family | Clones / Mon | Gen. notes | 1843 - 1892 | D 967 |
| SCOTT family | Co Antrim | Gen. notes | c1873 - c1972 | D 3601add |
| SCOTT family | Drumadd / Arm | Leases etc. | 1860 - 1899 | D 1654 |
| SCOTT family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| SCOTT family | Killeen / Arm | Title deeds, leases | 1781 - 1897 | D 1524add |
| SCOTT family | Lisanelly / Tyr | Family history | 1748 - 1921 | D 1884add |
| SCOTT family | Lisburn / Ant | Gen. notes | 1843 - 1892 | D 967 |
| SCOTT family | Lisnamallard / Tyr | Family history | 1748 - 1921 | D 1884add |
| SCOTT family | Moira / Dow | Gen. notes | 1769 - 1917 | D 3000/61 |
| SCOTT family | Omagh / Tyr | Gen. notes | 19c | D 1583 |
| SCOTT family | Eglington / Ldy | Corresp. | 1830 - 1861 | T 2609 |
| SCOTT James | Lurganbane / Dow | Will & Inventory | c1853 | D 2095 |
| SCOTT John Merchant | Moneymore / Ldy | Sworn affidavit | c1839 | T 3752 |
| SCOTT John Murray | Lisburn / Ant | Conveyance | c1896 | T 3095 |
| SCOTT John Road Surveyor | Randalstown / Ant | Copy Will, Probate | c1856 | D 3780 |
| SCOTT Samuel | London | Copy Will | c 1785 | D 1594 |
| SCOTT Sarah | Londonderry | Will etc. | c1799 | D 1015 |
| SCOTT Thomas Sir | Balloo / Dow | Deed of Trust | c1869 | T 3116 |
| SCOTT family Estate | Clanvaraghan / Dow | Encumbered sale | 25 Jun 1852 | D1201/23/38 |
| SCOTT family Estate | Clanvaraghan / Dow | Encumbered sale | 29 Jul 1852 | D1201/23/1- |
| SCRIVEN Joseph Hymn Writer | Banbridge / Dow | Manuscript poem | c1850 | T 2684 |
| SCUDAMORE Isabel | Newcastle / Dow | ms T. J. MacLagan | 1869, 1908 | D 3706 |
| SEATON Thomas | Ross More / Tyr | Wills, L of Admin | c1816 | D 1140add |
| SEAWRIGHT family | Gransha / Dow | Leases, agreements | 1829 - 1870 | D 3729 |
| SEAWRIGHT family | Tandragee / Arm | Letters | 1811 - 1845 | D 2794 |
| SEAWRIGHT Joseph | Banbridge / Dow | 2 copies of Will | c1806 | D 3805 |
| SEEDS family | Ballymote / Dow | Title deeds etc. | 1770 - ear20c | D 1255 |
| SEEDS family | Ballysallagh / Dow | Title deeds etc. | 1770 - ear20c | D 1255 |
| SEMPLE Jane Mrs | L of Admin & Will | c1759 | D 642add | |
| SEXTON Thomas MP | West Belfast | Election Speech | June 1892 | D 1590 |
| SEYMOUR family | Fairleigh Ho. / Dow | Test. papers | 1897 - 1901 | D 2629 |
| SEYMOUR family | Fairleigh Ho. / Dow | Title deeds etc | 1864 - 1903 | D 2629 |
| SHAFTESBURY Earl Estate | Ireland | Rentals | c1864 | T 2767 |
| SHAFTSBURY Estate | Antrim / Ant | Misc. Estate papers | 1604 - 1930 | D 811 |
| SHAFTSBURY Estate | Antrim / Ant | Rentals & ledgers | 1775 - 1933 | D 811 |
| SHAFTSBURY Estate | Belfast | Misc. Estate papers | 1604 - 1930 | D 811 |
| SHAFTSBURY Estate | Carrickfergus / Ant | Misc. Estate papers | 1604 - 1930 | D 811 |
| SHAMROCK LODGE Ind. Sch | Belfast | Misc. records | 1910 - 1965 | D 3606 |
| SHANAHAN family | Drumsill / Arm | Corresp. | ? | D 288add |
| SHANKILL GLEBE | Lurgan / Arm | Map | c1867 | D 2065 |
| SHANKS Adam | Belfast | Copy book, accts | c1780 | D 820 |
| SHANKS family | Ballyfounder / Dow | Emig. letters | 1864 - 1870 | D 2707 |
| SHANKS family | Ballyfounder / Dow | Domestic accts etc. | 1894 - 1915 | D 1056 |
| SHANKS family | Ballyhanwood / Dow | Title deeds etc. | 1779 - 1826 | D 820 |
| SHANKS family | Gilnahirk / Dow | Title deeds etc. | 1779 - 1826 | D 820 |
| SHANKS family | Lisleen / Dow | Title deeds etc. | 1779 - 1826 | D 820 |
| SHANKS family | Poyntzpass / Arm | Diary & memos | 1831 - 1884 | T 2809 |
| SHANKS John Corporal | Ballyhalbert / Dow | Bounty receipt/ Mil | c1797 | D 883 |
| SHANNON Elizabeth | Banbridge / Dow | L of Admin goods | c1891 | D 3805 |
| SHANNON family | Derrybeg / Ldy | Title deeds | 1692 - 1851 | T 1646 |
| SHANNON family | Magherafelt / Ldy | Gen. notes | 1849 - c1900 | T 2850 |
| SHANNON Samuel | Antrim / Ant | Lease/Tenement | c1698 | T 1213 |
| SHANNON & Co | Kilkeel / Dow | Boat Ellen Constance | 1911 - 1915 | T 3143 |
| SHANNON Richard & Co. Ltd | Belfast | Clothier / busin. rec | 1920 - 1943 | D 1142 |
| SHARKEY John | Upper D'skellan / Don | Map | c1798 | D 2958add |
| SHARLAN Robert | Ballylintagh / Dow | Charity bequest | 1835 - 1948 | D 3693 |
| SHARMAN-CRAWFORD fam | ily | Gen. notes | D 1725 | |
| SHARMAN-CRAWFORD Est | Ballybrack / Dow | Survey | c1805 | D 1759 |
| SHARMAN-CRAWFORD Est | Banbridge / Dow | Rent acct. book | 1851 - c1863 | D 1759 |
| SHARMAN-CRAWFORD Est | Crawfordsburn / Dow | Rent acct. book | 1851 - c1863 | D 1759 |
| SHARMAN-CRAWFORD Est | Creevy / Dow | Survey | c1805 | D 1759 |
| SHARMAN-CRAWFORD Est | Lacken / Dow | Survey | c1805 | D 1759 |
| SHARMAN-CRAWFORD Est | Rademan / Dow | Rent acct. book | 1851 - c1863 | D 1759 |
| SHARMAN-CRAWFORD fam | Banbridge / Dow | Rentals etc. | c1830 - 1900 | D 856 |
| SHARMAN-CRAWFORD fam | Crawfordsburn / Dow | Gen. notes | c1720 - c1900 | D 3000/90 |
| SHARMAN-CRAWFORD fam | Crawfordsburn / Dow | Rentals etc. | c1830 - 1900 | D 856 |
| SHARMAN-CRAWFORD fam | Rademon / Dow | Rentals etc. | c1830 - 1900 | D 856 |
| SHARMAN-CRAWFORD Wm | Co. Down | Poster | c1852 | T 1763 |
| Sharman-Crawford Wm. MP | Crawsfordsburn / Dow | Misc. corresp. | 1830 - 1861 | D 856 |
| SHAW family | Fishquarter / Dow | Blackwood pedigree | 1720 - 1937 | Mic 315add |
| SHAW family | Glastry / Dow | Blackwood pedigree | 1720 - 1937 | Mic 315add |
| SHAW family | Kircubbin / Dow | Blackwood pedigree | 1720 - 1937 | Mic 315add |
| SHAW family | Kircubbin / Dow | Title deeds | 1782 - 1943 | D 1744 |
| SHAW family | Ballyhackett / Ant | Title deeds etc. | 1738 - 1875 | D 3836 |
| SHAW family | Carrickfergus / Ant | Mics. papers | c1770 | D 2489add |
| SHAW Bros. | Pettigo / Don | Business records | 1905 - 1953 | D 3583 |
| SHAW family | Balloo / Dow | Title deeds, leases | 1778 - 1897 | D 3694 |
| SHAW family | Ballygallery / Ant | Gen. notes | from 17c | T 2106 |
| SHAW family | Ballygalley / Ant | History of family | from 17c | D 1999/3 |
| SHAW family | Ballygally / Ant | Pedigree | c1620 - c1880 | D 3469add |
| SHAW family | Ballynagarrick / Dow | Rent acct. book | 1850 - 1865 | D 1041 |
| SHAW family | Ballyrobin / Ant | Pedigree | c1620 - c1880 | D 3469add |
| SHAW family | Bush / Ant | Pedigree | c1620 - c1880 | D 3469add |
| SHAW family | Carmavy / Ant | Pedigree | c1620 - c1880 | D 3469add |
| SHAW family | Carnmoney / Ant | Bible extracts deaths | 1775 - 1811 | D 3000/1 |
| SHAW family | Carrickfergus / Ant | 1791 - 1886 | D 1296 | |
| SHAW family | Co. Down | Gen. notes | from 17c | D 1759 |
| SHAW family | Fishquarter / Dow | Blackwood pedigree | 1720 - 1938 | Mic 315add |
| SHAW family | Ganaway / Dow | Pedigree | c1620 - c1880 | D 3469add |
| SHAW family | Glastry / Dow | Blackwood pedigree | 1720 - 1938 | Mic 315add |
| SHAW family | Killinchy / Dow | Pedigree | c1620 - c1880 | D 3469add |
| SHAW family | Kircubbin / Dow | Blackwood pedigree | 1720 - 1938 | Mic 315add |
| SHAW family | Kircubbin / Dow | Title deeds etc. | 1770 - 1921 | D 1039 |
| SHAW family | Kircubbin / Dow | Blackwood pedigree | late18c - 1930's | Mic 315add |
| SHAW Harry | Racavan / Ant | Lease / Racavan | c1744 | D 831 |
| SHAW James (Quaker) | Mountmellick / Queens | Marr. Eliz. Walsh | c1803 | D 1413 |
| SHAW John | Drumramer / Ant | Copy Will | c1868 | T 2985 |
| SHAW Robert | Newry / Dow | Diary re travels | 1872 - 1874 | T 1913 |
| SHAW Samuel | Belfast | Building accts. | 1876 - 1886 | D 1041 |
| SHAW Samuel | Portstewart / Ldy | Letters home | 1915 - 1916 | D 1962 |
| SHAW Samuel | Saintfield / Dow | Diary voyage Aust. | 1877 - 1878 | T 1923 |
| SHAW Thomas | Lurgan / Arm | Probate | c1794 | D 1551 |
| SHAW William | Magheralin / Dow | Will | c1781 | T 1601 |
| SHAW William | Newtownards / Dow | Land Mortgage | c1640 | T 2452 |
| SHAW William | Saintfield / Dow | Execution of | 9th June 1798 | T 3042 |
| SHEALS Hugh | Annacloy / Dow | Leases | c1815 | D 1139 |
| SHEARER Patrick Jnr. | Divis St. Belfast | Apprent. Indent. | c1902 | T 3291 |
| SHEGOG family | Co. Monaghan | Gen. notices | from 19c | T 2416 |
| SHEILS Estate | Donaghanie / Tyr | Accts, leases, maps | c1820 - 1900 | D 1242 |
| SHEILS William | Lisnagroat / Ldy | Estate dispute | c1947 | D 2587 |
| SHEILS ALMSHOUSE Charity | Killough / Dow | Misc. records | 1869 - 1978 | T 3680 |
| SHEMELD Albert ( Quaker ) | Portadown / Arm | Legal papers | c1880 - 1910 | D 1253 |
| SHEPHERD family | Hilltown / Dow | Gen. notes | from 17c | D 2318 |
| SHEPHERD Orr | Drumaconnell / Dow | Lease | c1858 | D 3792 |
| SHEPHERD Thomas | Ballynafoy / Dow | Probate | c1828 | D 924 |
| SHERIDAN Helen Selina | Claneboye / Dow | m. Capt.P. Blackwood | c1825 | D 3519 |
| SHERIFF Samuel | Dundoonan / Ldy | Copy Will | c1805 | D 2587 |
| SHERIFFS | All Counties | 1 volume list | 1254 - 1892 | T 3402 |
| SHERIFFS HIGH | Co Armagh | List | 1593 - 1969 | T 2704 |
| SHERIFFS HIGH | Co. Londonderry | Typed list | 1600 - 1941 | Mic353T3324 |
| SHERIFFS UNDER | Co Armagh | List | 1798 - 1969 | T 2704 |
| SHERIFFS HIGH | Co. Down | Typed list | 1890 - 1967 | D 2276 |
| SHERIFFS HIGH | Londonderry City & Co. | Printed list | 1600 - 1972 | D 2807 |
| SHERRARD family | Dunboe / Ldy | Family history | c1961 | D 3000/16 |
| SHERRARD family | Limavady / Ldy | Family history | c1961 | D 3000/16 |
| SHERRARD family | Magilligan / Ldy | Family history | c1961 | D 3000/16 |
| SHIELD Anne | Ringhaddy / Dow | John McGifford | c1870 | T 3388 |
| SHIELDS family | Altmore / Tyr | Gen. notes | 1816 - 1965 | T 2237 |
| SHIELDS family | Co Antrim | Gen. notes | 1585 - 1965 | T 2605 |
| SHIELDS James Gen. Senator | USA | Historical notes | T 2237 | |
| SHIELS Estate | Dungannon / Tyr | Rentals sale details | 1843 - 1937 | D 1678 |
| SHILLINGTON family | Portadown / Arm | Title deeds | c1829 - c1867 | D 1905 |
| SHILLINGTON family | Portadown / Arm | Property | 1908 - 1953 | D 1253add |
| SHILLINGTON family | Portadown / Arm | Gen. notes | from 1641 | T 1836 |
| SHIP " SS ANTRIM" | Belfast | Poem re sinking | 842 | T 3195 |
| SHIP " Star of Russia " | Log Book | 1878 - 1879 | D 1886 | |
| SHIP PRINCESS VICTORIA | Larne / Ant | Enquiry re sinking | 19390 | D 2506 |
| SHIPBOY Elizabeth | Belfast | Payments auth. | 1794 - 1796 | D 1429 |
| SHIPBOY James | Belfast | Payments auth. | 1794 - 1796 | D 1429 |
| SHIRLEY Estate | Aghacloghan / Cav | 10 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Alts / Cav | 11 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Alts / Cav | 14 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Ardagh / Cav | 20 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Aughantanghy / Cav | 3 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Box Lower / Cav | 6 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Corenseghagh Sth./Cav | 7 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Derrynascabe / Cav | 16 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Donnere Middle / Cav | 13 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Dromgauney / Cav | 2 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Dromgeerey / Cav | 12 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumberagh / Cav | 22 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumbracken / Cav | 1 lease | from 1824 | D 3531add |
| SHIRLEY Estate | Drumbracken Nth. / Cav | 14 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumcargey / Cav | 5 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumcarrow / Cav | 11 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumerlough Beg / Cav | 9 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumerloughmore / Cav | 9 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumgenis / Cav | 28 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Drumgon / Cav | 11 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Duehatty South / Cav | 5 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Faraghey / Cav | 12 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Killirve / Cav | 17 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Knockneeran East / Cav | 13 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Latelanagan / Cav | 5 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Lattinalbany / Cav | 2 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Lisdromturk / Cav | 6 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Lisdunan / Cav | 14 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Lisnafedally / Cav | 2 leases | from 1824 | D 3531add |
| SHIRLEY Estate | Lisnagiveragh / Cav | 4 leases | from 1824 | D 3531add |
| SHIRLEY Estate Papers | Carrickmacross / Mon | Misc. papers 72 vols | 1677 - 1919 | D 3531add |
| SHIRLEY family | Farney / Mon | Title deeds, etc | 1573 - 1960 | D 3531 |
| SHIRLEY Evelyn John | Lough Fea / Mon | Bound in letters | 1821 - 1833 | T 3385 |
| SHOESMITH family | Cultra / Dow | Misc. corresp. | 1851 - 1954 | D 3085 |
| SIDLEY family | Sea View Cott. Caw/Ldy | Misc. papers | c1839 | T 3213/3 |
| SIDLEY Catherine Widow | Londonderry | L of Adm. + Will | c1869 | T 3213/3 |
| SILCOCK family | Listooder / Dow | Drumatticorrnor Mill | 1872 - c1930 | D 3616 |
| SILCOCK James | Belfast | Rentals | 1917 - 1922 | D 3616 |
| SIMMS family | Belfast | Title deeds etc. | 1796 - 1942 | D 3474 |
| SIMMS family | Great Commons / Ant | c1874 - 1938 | D 2233 | |
| SIMMS Robert | Belfast | Emig. letters | 1802 - 1825 | T 1815 |
| SIMMS Robert Kerr | Belfast | Conveyance | c1854 | D 2592 |
| SIMMS William Rent Agent | Belfast | Copy Will/Probate | c1882 | Mic/61add |
| SIMPSON family | Armagh City | Rentals | 1895 - 1896 | D 2784/12 |
| SIMPSON family | Armagh City | Rentals | 1896 - 1898 | D 2784/17 |
| SIMPSON family | Ballyards / Arm | Rentals | 1837 - 1838 | D 2784/17 |
| SIMPSON family | Ballyards / Arm | Irish Land C. papers | c1713 - c1925 | D 1522 |
| SIMPSON family | Brackly / Arm | Rentals | 1901 - 1907 | D 2784/17 |
| SIMPSON family | Cargagh / Arm | Rentals | 1837 - 1838 | D 2784/17 |
| SIMPSON family | Co Londonderry | Pedigree | c1618 - c1950 | T 2964 |
| SIMPSON family | Co. Down | Church records extr. | 1756 - 1923 | T 2699 |
| SIMPSON family | Corporation / Arm | Rentals | 1901 - 1907 | D 2784/17 |
| SIMPSON family | Corranarry / Tyr | Pedigree | c1700 - 1966 | D 3000/10 |
| SIMPSON family | Drains / Ant | Title deeds | c1787 - c1870 | D 1905 |
| SIMPSON family | Drumarg / Arm | Rentals | 1837 - 1838 | D 2784/17 |
| SIMPSON family | Drumarg / Arm | Rentals | 1901 - 1907 | D 2784/17 |
| SIMPSON family | Killeen / Arm | Title deeds, leases | 1781 - 1897 | D 1524add |
| SIMPSON family | Lutmacollum / Arm | Irish Land C. papers | c1713 - c1925 | D 1522 |
| SIMPSON family | Newtownhamilton / Arm | Rentals | 1901 - 1907 | D 2784/17 |
| SIMPSON family | Tullyvallan / Arm | Rentals | 1901 - 1907 | D 2784/17 |
| SIMPSON family | Unshog / Arm | Rentals | 1837 - 1838 | D 2784/17 |
| SIMPSON Isaac | Lifford / Don | Will | c1821 | D 1939 |
| SIMPSON John | Coleraine / Ldy | Copy Will | c1817 | D 2587 |
| SIMPSON John | Millview / Tyr | m. L. Thompson | c1835 | D 2178 |
| SIMPSON Luke | Clagan / Ldy | Lease / Clagan | c1700 | T 1637 |
| SIMPSON Stewart | Belfast | Flax Mill lease | c1869 | T 1825 |
| SIMPSON Thomas Col. | Ballyards / Arm | Corres. etc | 1862 - 1881 | D 1522 |
| SIMPSON William | Armagh City | Rentals etc | 1897 - 1950 | D 1607add |
| SIMPSON William | Drumgaw / Arm | Rentals etc | 1897 - 1950 | D 1607add |
| SIMPSON William | Knockraven / Arm | Rentals etc | 1897 - 1950 | D 1607add |
| SIMS family | Belfast | Gen. table | 1720 - 1887 | T 2637add |
| SIMS family | Holywood / Dow | Gen. table | 1720 - 1887 | T 2637add |
| SIMS family | Newtownards / Dow | Gen. table | 1720 - 1887 | T 2637add |
| SINCLAIR family | Killead / Ant | Pedigree | c1760 - 1973 | D 3000/11 |
| SINCLAIR Abraham | Newry / Dow | Conveyance | c1909 | T 1527 |
| SINCLAIR Archibald | Bryandrum / Arm | Survey, farm map | c1822 | D 1606add |
| SINCLAIR family | Belfast | Typed family history | 1700 - 1959 | T 1666 |
| SINCLAIR family | Belfast | Title deeds etc. | 1862 - 1901 | D 2998 |
| SINCLAIR family | Belfast | Extrs.Philadel. Inqu | c1897 | D 941 |
| SINCLAIR family | Canary / Arm | I.L.C. papers | 1893 - 1910 | D 1696 |
| SINCLAIR family | Canary / Arm | Pedigree | c1750 - c1930 | T 2072 |
| SINCLAIR family | Comber / Dow | Pedigree | 1685 - 1868 | T 1443 |
| SINCLAIR family | Killyclooney / Tyr | Title deeds, etc. | 1728 - 1814 | D 3608 |
| SINCLAIR family | Moneyshanere / Ldy | Gen. notes | c1640 | T 2440 |
| SINCLAIR family | Stabane / Tyr | Title deeds, etc. | 1728 - 1814 | D 3608 |
| SINCLAIR family | Tievenny / Tyr | Title deeds, etc. | 1728 - 1814 | D 3608 |
| SINCLAIR family | Gen. notes | D 1725 | ||
| SINCLAIR George | Belfast | Mentioned Black bk | D 272/1 | |
| SINCLAIR George | Holly Hill / Tyr | Lease | c1795 | T 2943 |
| SINCLAIR James | Newry / Dow | Conveyance | c1881 | T 1527 |
| SINCLAIR property | Skegoneill / Ant | Court sale papers | c1867 | D 1905 |
| SINCLAIR Simon | Canary / Arm | Map | c1855 | T 2072 |
| SINCLAIR Simon | Derryscollop / Arm | Map | c1855 | T 2072 |
| SINCLAIR Simon | Tullymore / Arm | Copy Will & Probate | c1849 | D 1524add |
| SINCLAIR Thomas | Fairlawn / Arm | Copy Will & Probate | c1847 | D 1524add |
| SINCLAIR Thomas | Press cuttings | c1860 - 1914 | D 1961 | |
| SINCLAIR Thomas Rt. Hon. | Belfast | Obituary notices | 1867 - 1912 | D 3480add |
| SINCLAIR Thomas Rt. Hon. | Belfast | Misc. political papers | 1867 - 1912 | D 3002 |
| SINGLETON Estate | Errigal Trough / Mon | Leases, maps | 1741 - 1845 | D 988 |
| SINGLETON family | Drumgoon / Cav | Rentals | 1865 - 1899 | D 3711 |
| SINGLETON family | Knockbride / Cav | Rentals | 1865 - 1899 | D 3711 |
| SINTON Estate | Gilford / Dow | Rentals | 1899 - 1937 | D 959 |
| SINTON family | Greenmount / Mon | Gen. notes | 17c - 1981 | D 3669 |
| SINTON family | Laurelvale / Arm | Legal papers | c1875 - c1919 | D 1252 |
| SINTON family | Markethill / Arm | Gen. notes | 11c - c1900 | D 3669add |
| SINTON family | Moyallen / Dow | Gen. notes | 11c - c1900 | D 3669add |
| SINTON family | Moyallen / Dow | Pedigrees | 1680 - 1930 | T 2633 |
| SINTON family | Portadown / Arm | Rentals | 1942 - 1973 | D 959add |
| SINTON family | Rockmacreevy / Arm | Gen. notes | 11c - c1900 | D 3669add |
| SINTON Thomas & Co. | Laurelvale / Arm | Legal papers | c1875 - c1919 | D 1252 |
| SIROCCO WORKS | Belfast | Misc. papers | 1912 - 1967 | D 3639 |
| SITLINGTON family | Belfast | Leases etc. | 1714 - 1800 | D 3695 |
| SKEFFINGTON family | Rostrevor / Dow | Gen. notes | 1727 - 1940 | D 2004 |
| SKEFFINGTON Chichester | Belfast | Misc. corresp. | 1788 - 1791 | D 1108C |
| SKELLY Harriet | Magheratimpany / Dow | m. Alex. MacRedie | c1816 | D 2095 |
| SKELTON Hamilton | Green Island / Dow | Map | c1838 | T 1478 |
| SKILLEN family | Co Down | Gen. tables | 1821 - 1875 | T 3172 |
| SKINNER'S Co. Estate | Pellipar / Ldy | Maps | 1740, 1853 | D 3067 |
| SKINNER'S Estate | Dungiven / Ldy | I L C papers | late 19c | D 1583 |
| SKIPTON Estate | Newtownstewart / Tyr | Title deeds | 1789 - 1904 | D 2298 |
| SKIPTON family | Ballyshaskey / Ldy | Gen. notes | 15c - mid 18c | D 3000/112 |
| SKIPTON family | Ballyshaskey / Ldy | Blackwood pedigree | early17c - c1850 | Mic 315add |
| SKIPTON family | Ballyshasky / Ldy | Gen. notes | c1620 - 1739 | T 1503 |
| SKIPTON family | Londonderry | Gen. notes | c1600 - c1900 | D 1698 |
| SKIPTON family | Londonderry City | Obituary notices | c1930 | D 3000/112 |
| SKIPTON family | Newtownards / Dow | Pedigree | 15c - c1980 | D 3000/112 |
| SKIPTON family | Tamnymore / Ldy | Gen. notes | 15c - mid 18c | D 3000/112 |
| SKIPTON family | Tamnymore / Ldy | Gen. notes | c1622 - 1847 | T 2558 |
| SKIPTON family | Gen. notes | D 1725 | ||
| SKIPTON Henry | Londonderry / Ldy | Orange Ld. apt. | 1849 | D 1135 |
| SLACKE family | Fairleigh Ho. / Dow | Title deeds etc | 1864 - 1903 | D 2629 |
| SLEVIN family | Ballygee / Fer | Emig. letters | c1882 | T 3277 |
| SLIEVE DON. QUARRIES Ltd | Annalong / Dow | Out letter book | 1922 - 1928 | D 3534 |
| SLOAN Robert | Ballyrush / Dow | Title deeds | 1831 - 1904 | D 2592 |
| SLOAN family | Ahoghill / Ant | Gen. notes | 1850 - 1965 | T 2974 |
| SLOAN family | Brackaville / Tyr | Titledeeds, leases | 1796 - 1947 | D 959add |
| SLOAN family | Coalisland / Tyr | Titledeeds, leases | 1796 - 1947 | D 959add |
| SLOAN family | Cushendall / Ant | Title deeds fishery | 1862 - 1870 | D 2592 |
| SLOAN family | Derry / Tyr | Titledeeds, leases | 1796 - 1947 | D 959add |
| SLOAN family | Ireland | Genealogy | 1750 - 1882 | T 2974add |
| SLOAN James | Moy / Tyr | Gen. Merch. papers | 1820 - 1879 | D 1767 |
| SLOAN James | Moy / Tyr | Merchant's papers | 1820 - 1879 | D 1767 |
| SLOAN Mary | Glenavy / Ant | Will | c1816 | D 1905add |
| SLOANE family | Cookstown / Tyr | Pedigree | c1818 - c1912 | T 2663 |
| SLOANE family | Killyleagh / Dow | Gen. notes | c1600 - c1900 | D 3000/155 |
| SLOANE family | Killyleagh / Dow | Pedigree | c1650 - c1800 | T 1512 |
| SLOANE family | Killyleagh / Dow | Pedigree | c1660 - 1726 | T 2974add |
| SLOANE John | Downhill / Ldy | Bk/Bishop Hersey | c1780 | Mic 366 |
| SMALL family | Co. Armagh | Title deeds, leases | 1720 - 1944 | D 889 |
| SMALL family | Dinnahora / Arm | Leases etc. | 1793 - c1920 | D 1607add |
| SMALL family | Drummilt / Arm | Leases etc. | 1793 - c1920 | D 1607add |
| SMALL family | Keady / Arm | Title deeds, etc. | 1807 - 1898 | D 982 |
| SMALL family | Keady / Arm | Title deeds etc. | 1862 - 1932 | D 2410 |
| SMALL family | Knockbarragh / Dow | Leases etc. | 1793 - c1920 | D 1607add |
| SMALL family | Lattery,Markethill/ Arm | Leases etc. | 1793 - c1920 | D 1607add |
| SMALL family | Lurganbane / Dow | Leases etc. | 1793 - c1920 | D 1607add |
| SMALL family | Newry / Dow | Gen. notes | 18c | D 2355 |
| SMALL family Drapers | Markethill / Arm | Misc. papers | c1790 - c1940 | D 3138 |
| SMILES family | Portavue / Dow | Misc. papers | c1830 - 1956 | D 3437 |
| SMILEY family | Island Magee / Ant | Ballyprior property | c1824 - 1875 | D 2723 |
| SMILEY Hugh | Larne / Ant | Will | c1837 | D 1905add |
| SMITH Andrew | Mossvale / Ant | Emig. letter | c1819 | D 3140add |
| SMITH Ellen | Hightown / Ant | Copy Will | c1817 | D 3140add |
| SMITH family | Ballykelly / Ldy | Family papers | 1736 - 1846 | D 2547 |
| SMITH family | Ballymoney / Ant | Emig. letters | 1832 - 1850 | D 1828 |
| SMITH family | Carrickfergus / Ant | Rentals etc. | 1842 - 1867 | D 2979 |
| SMITH family | Cookstown / Tyr | Gen. notes | 1756 - 1907 | D 3000/62 |
| SMITH family | Donaghmore / Tyr | Gen. notes | 1756 - 1907 | D 3000/62 |
| SMITH family | Drumacannon / Ldy | Map | c1801 | D 2547 |
| SMITH family | Dungiven / Ldy | Gen. notes | compiled c1965 | T 2212 |
| SMITH family | Dunmurray / Ant | Gen. notes | c1631 - 1943 | T 3266 |
| SMITH family | Lisburn / Ant | Gen. notes | 1688 - 1900 | D 761 |
| SMITH family | Moycraig / Ant | Emig. letters | 1832 - 1848 | D 1828 |
| SMITH family | Mullaghmore / Tyr | Gen. notes | 1756 - 1907 | D 3000/62 |
| SMITH family | Newry / Dow | Pedigree | 1773 - 1912 | D 2081 |
| SMITH family | Saul / Dow | Blackwood pedigree | 1711 - 1872 | Mic 315add |
| SMITH George Agent | Larne / Ant | Misc. papers | 1844 - 1953 | D 2926 |
| SMITH John | Ballymena / Ant | Corresp. | 1807 - 1813 | D 2009 |
| SMITH Joseph Rev. | Tullynamalloge / Arm | Bond | c1782 | D 3429add |
| SMITH Ralph | Ballymacarn/Lisburn/Ant | Copy Will/ Probate | 1689, 1698 | D 3577 |
| SMITH Ralph | Lisburn / Ant | Copy Will | c1690 | D 2099 |
| SMITH William | Limavady / Ldy | Lease | c1692 | T 2574 |
| SMITH William | Raphoe / Don | Memo book | 1770 - 1840 | D 1106 |
| SMITH William | Hightown / Ant | Copy Will | c1808 | D 3140add |
| SMITH family | Belfast | Gen. notes | 1810 - 1981 | D 3000/72 |
| SMITH family | Omagh / Tyr | Gen. notes | 1810 - 1981 | D 3000/72 |
| SMITH family | Seskinore / Tyr | Gen. notes | 1810 - 1981 | D 3000/72 |
| SMYLEY Joseph Cooper | Belfast | Apprent. Indent. | c1876 | D 862 |
| SMYLIE Robert | Camus / Tyr | Linen acct. bk. | 1762 - 1774 | D 1075 |
| SMYRL family | Legoniel / Ant | Pedigree | c1850 - 1984 | D 3000/107 |
| SMYRL family | Ligoniel / Belfast | Vols. 3 & 4 gazette | c1985 | D 3000/107add |
| SMYRL family | Whitehouse / Ant | Pedigree | c1850 - 1984 | D 3000/107 |
| SMYRL Family Hist. Gazette | No 2 issue | c1985 | D 3000/107 | |
| SMYTH family | Co. Down | Gen. notes | from 17c | D 1759 |
| SMYTH Andrew | Drumnacanon / Ldy | Purchase property | c1832 | T 2666add |
| SMYTH Elizabeth | Newry / Dow | Copy Will | c1824 | D 2562 |
| SMYTH family | Aughnaskeagh / Dow | 1611 - 1833 | D 2099 | |
| SMYTH family | Ballykeel Lougherne /D | 1611 - 1833 | D 2099 | |
| SMYTH family | Ballykell / Dow | Title deeds | from 1736 | D 1905 |
| SMYTH family | Bellemont / Ldy | Leases | 1763 - 1867 | T 3482 |
| SMYTH family | Carnaghliss / Ant | 1611 - 1833 | D 2099 | |
| SMYTH family | Carrickduff / Arm | Pedigree | 1829 - 1979 | D 3000/56 |
| SMYTH family | Carrickfergus / Ant | Gen. notes | 1830 - 1980 | D 3000/60 |
| SMYTH family | Coleraine / Ldy | Leases | 1799 - 1836 | D 2604 |
| SMYTH family | Dromorebrague / Dow | 1611 - 1833 | D 2099 | |
| SMYTH family | Garvagh / Ldy | Misc. papers | 1799 - 1917 | D 2604 |
| SMYTH family | Grange / Tyr | Title deeds | 1871 - 1898 | D 2966/77 |
| SMYTH family | Keady / Arm | Pedigree | 1829 - 1979 | D 3000/56 |
| SMYTH family | Lisburn / Ant | 1611 - 1833 | D 2099 | |
| SMYTH family | Lisburn / Ant | Gen. notes | 1630 - 1837 | T 1502 |
| SMYTH family | Lisburn / Ant | Misc. papers | 1800 - 1873 | D 2269 |
| SMYTH family | Londonderry | Title deeds etc | c1804 - 1923 | D 2035 |
| SMYTH family | Lurgan / Arm | Gen. notes | 1830 - 1980 | D 3000/60 |
| SMYTH family | Tildarg / | Title deeds etc. | 19c | D 971 |
| SMYTH H. | Lodge / Ldy | Map | c1842 | D 2604 |
| SMYTH John | Belfast | m. Regina Taggart | c1893 | T 1777 |
| SMYTH Sara | Belfast | m. Robert Ireland | c1920 | T 1777 |
| SMYTH Thomas | Castlebalfour / Fer | Lease | c1797 | T 2615 |
| SMYTH Thomas Sir | Ards / Dow | Title deeds | 1572 - 1577 | T 2926 |
| SMYTH Thomas Sir | Clandeboye / Dow | Title deeds | 1572 - 1577 | T 2926 |
| SMYTH Thomas Sir | Clandeboye / Dow | Title deeds | 1572 - 1577 | Mic 268 |
| SMYTH Thomas Sir | Co. Antrim | Title deeds | 1572 - 1577 | T 2926 |
| SMYTH W.B. | Strabane / Tyr | Corresp. | 1913 - 1914 | D 1414 |
| SMYTH Wm. Hamilton | Ballycowan / Dow | Encumbered sale | 3 Jun 1852 | D 2223/32/8 |
| SMYTH Wm. Hamilton | Ballygowan / Dow | Encumbered sale | 3 Jun 1852 | D 1201/23/13 |
| SMYTH Wm. Hamilton | Drumbeg / Dow | Encumbered sale | 3 Jun 1852 | D 1201/23/33 |
| SMYTH family | Ballyarnet / Ldy | Title deeds etc | c1804 - 1923 | D 2035 |
| SMYTH Roger Johnston | Aughnaskeagh / Dow | Copy Will | c1816 | D 2099 |
| SMYTH Thomas Johnston | Lisburn / Ant | m. Charlotte Brice | c1811 | D 2099 |
| SNEYD family | Ballymacarrett / Dow | Title deeds | 1798 - 1830 | D 1905 |
| SNODDY family | Ballyrickard / Ant | Leases | 1748 - 1845 | D 2985 |
| SNODDY family | Tureagh / Ant | Leases | 1748 - 1845 | D 2985 |
| SNODDY family | Gen. notes | compiled 1960 | T 1745 | |
| SNOWDON Samuel | Drumb / Dow | Encumbered sale | 17 Apr 1853 | D 1201/23/7 |
| SNUG CLUB | Newry / Dow | Min. book | 1778 - 1799 | T 3202 |
| SNUGVILLE Estate | Shankill Rd. Belfast | Sale particulars | c1884 | D 2337 |
| SOCIETY of FRIENDS | Cos. Ant, Arm, Ldy, Tyr | Sufferings Quakers | 1689 - 1691 | D 2224 |
| SOCIETY of FRIENDS | Lynastown / Arm | Title Burial Ground | 1673 - 1679 | T 1885 |
| SOCIETY of FRIENDS | Lisburn / Ant | References | c1800 - 1857 | D 1867 |
| SOCIETY of FRIENDS | Lynastown / Arm | Abt. deed burial gr. | 1673 - 1679 | T 1885 |
| SOCIETY of FRIENDS | Moyallen / Dow | Anti slavery petition | c1824 | D 1762 |
| SOCIETY of FRIENDS | Ulster | Historical notes | c1880 | D 2395 |
| SOCIETY of FRIENDS | Ballyhagan / | Mins. etc | 1692 - 1789 | Mic 16 |
| SOCIETY of FRIENDS | Lisburn / Ant | Mins. etc | 1676 - 1782 | Mic 16 |
| SOCIETY of FRIENDS | Lurgan / Arm | Mins. etc | 1675 - 1811 | Mic 16 |
| SOCIETY of FRIENDS | Ulster Province | Mins. etc | 1694 - 1786 | Mic 16 |
| SOMERVILLE family | Tullykelter Castle / Fer | Gen. notes | 1891 - 1919 | T 2615 |
| SOUTHWELL Edward | Downpatrick / Dow | Rental transcript | 1743 - 1744 | D 1759 |
| SOUTHWELL Edward | Downpatrick / Dow | Codicil to Will | c1750 | D 2961add |
| SOUTHWELL Henry | Killashandra / Cav | Financial problems | 1830 - 1842 | D 964 |
| SOUTHWELL Katherine Hon | Downpatrick / Dow | Correspondence | c1749 | T 1254 |
| SOUTHWELL Robert Henry | Killashandra / Arm | Rental maps etc. | c1844 | D 3531 |
| SOUTHWELL Schools | Downpatrick / Dow | Misc. papers | 1722 - 1971 | D 2961add |
| SOUTHWELL William | Dublin | Will | c1789 | D 1939 |
| SOUTHWELL Edward Rt.Hon. | Downpatrick / Dow | Charity Sch. papers | 1733 - 1972 | D 2961 |
| SPAIGHT William Capt. | Bunratty / Clare | m. Milli Studdert | c1782 | T 2136 |
| SPAIGHT William | Corbally / Clare | Appt. High Sheriff | c1793 | T 2136 |
| SPARROW Robert | Ballyoran / Arm | Map | c1820 | D 1248add |
| SPEER family | Ballycloghan / Ant | Title deeds | 1821 - 1858 | D 1310 |
| SPEER family | Ballyearl / Ant | Title deeds | 1821 - 1858 | D 1310 |
| SPEER family | Ballypalady / Ant | Title deeds | 1821 - 1858 | D 1310 |
| SPEER family | Annahavil / Tyr | Map | c1880 | D 2966/89 |
| SPEER family | Ballymaleel / Don | Gen. notes | 1780 - 1965 | D 3000/5 |
| SPEER family | Cashelshanaghan / Don | Gen. notes | 1780 - 1965 | D 3000/5 |
| SPEER family | Drumraw / Tyr | Map | c1880 | D 2966/89 |
| SPEER family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| SPEER family | Errigal / Tyr | Map | c1865 | D 2966/89 |
| SPEER family | Killycolp / Tyr | Map | c1880 | D 2966/89 |
| SPEER family | Lamny / Tyr | Map | c1880 | D 2966/89 |
| SPEER family | Londonderry | Gen. notes | 1780 - 1965 | D 3000/5 |
| SPEER family | Rathmelton / Don | Gen. notes | 1780 - 1965 | D 3000/5 |
| SPEER family | Tullyard / Tyr | Map | c1880 | D 2966/89 |
| SPEER John | Aughnacloy / Tyr | Gen. Mech. accts. | 1893 - 1834 | T 3086 |
| SPEER Robert | Stewartstown / Tyr | Copy Will | c1754 | D 2315 |
| SPEERS family | Aughnacloy / Tyr | Farm accts. | T 2850 | |
| SPEERS family | Co. Down | Test papers | 1815 - 1933 | D 3051 |
| SPEERS family | Tandragee / Arm | Gen. notes | from 17c | T 1831 |
| SPEERS Joseph Solicitor | Aughnacloy / Tyr | Business letters | 1921 - 1938 | D 2607 |
| SPENCE Ellison | Stewartstown / Tyr | Diaries | 1939 - 1967 | D 2481 |
| SPENCE family | Co Donegal | Gen. notes | 1713 - 1758 | D 2453 |
| SPENCE family | Co. Fermanagh | Pedigree | 1630 - 1850 | T 1209 |
| SPENCE family | Crumlin / Ant | Title deeds | 1822 - 1907 | D 2025 |
| SPENCE family | Strabane / Ldy | Misc. papers | 1660 - 1925 | D 642add |
| SPENCE Robert | Gortfad / Ant | Personal papers | 1898 - 1930 | D 3040 |
| SPENCE Robert | Strabane / Ldy | Copy Will | c1759 | D 642add |
| SPENCE, BRYSON & Co. | Portadown / Arm | Wages book | 1907 - 1917 | D 2662 |
| SPENCER family | Co Armagh | Gen. notes | 1730 - 1835 | D 2453 |
| SPENCER Isabella | Belfast | Property papers | c1870 - 1887 | D 2757add |
| SPENDER Col. | Larne / Ant | Gun running | c1922 | D 1763 |
| SPENDER Wilfrid Sir | Head N.I. Civil Service | Diaries | 1934 - 1944 | D 715 |
| SPRATT John Elder | Aghalee / Ant | Assignment | c1766 | D 3416 |
| SPRATT Thomas | Philadelphia / USA | Will Down diocese | c1840 | T 2590 |
| SPRATT John Younger | Aghalee / Ant | Assignment | c1766 | D 3416 |
| SPROTT family | Banbridge / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| SPROTT family | Banbridge / Dow | USA letter | c1814 | T 1445 |
| SPROTT family | Ednego / Dow | Lease / land | 1798 - 1832 | T 1979 |
| SPROTT family | Ednego / Dow | Title deeds | 1841 - 1910 | T 1963 |
| SPROULE | Strabane / Tyr | Family papers | 1819 - 1860 | D 1240 |
| SPROULE Estate | Fintona / Tyr | Title deeds etc. | 1796 - 1924 | D 1024 |
| SPROULE family | Altamullan / Tyr | Workmen's accts. | 1847 - 1848 | D 3011 |
| SPROULE family | Castlederg / Tyr | Gen. notes | from early 18c | D 2585 |
| SPROULE family | Granagh / Tyr | Pedigrees | 1690 - 1879 | T 1605 |
| SPROULE family | Ulster | Gen. notes | c1760 - 1927 | T 1264 |
| SPROULL family | Belfast | Pedigree | 1747 - 1958 | T 2578 |
| SPROULL family | Carrickfergus / Ant | Pedigree | 1747 - 1958 | T 2578 |
| SPROULL family | Carrickfergus / Ant | Family papers | c1870 - c1900 | D 3009 |
| SPROULL family | Dungannon / Tyr | Pedigree | 1747 - 1958 | T 2578 |
| SPROULL family | Lisburn / Ant | Pedigree | 1747 - 1958 | T 2578 |
| SPROULL Mary | Gracehill / Ant | Letter/to her mother | c1815 | D 958 |
| ST JOHN family | Tandragee / Arm | Gen. notes | from 17c | T 2768 |
| ST. JOHN property | Tandragee / Arm | Title deeds, leases | c1743 | D 3805 |
| ST. JOHN Estate | Tandragee / Arm | Title deeds | 1673 - 1682 | D 2529 |
| ST. JOHN family | Tanderagee / Arm | Map | c1791 | D 720 |
| ST. JOHN Kathleen Mrs | Ballymore / Arm | Will | c1780 | D 2529 |
| ST. JOHN Oliver | Tandragee / Arm | Probate | c1715 | D 2529 |
| ST. JOHN Francis Sir Estate | Ballymore / Arm | Map & Survey | c1750 | D 720 |
| STAFFORD family | Beltrim Castle / Tyr | Pedigree | c1750 - c1919 | T 3625 |
| STAFFORD family | Mount Stafford / Ant | Gen. notes | 17c - c1850 | D 3000/42 |
| STAFFORD family | Portglenone / Ant | Gen. notes | 17c - c1850 | D 3000/42 |
| STAFFORD family | Portglenone / Ant | Gen. notes | c1637 - c1722 | T 2469 |
| STAFFORD John | Rathdonnel / Don | Survey | c1727 | D 3608 |
| STAFFORD Mrs | Strabane / Tyr | Letters | 1808 - 1844 | T 3625 |
| STAFFORD William Rev. Est | Dromore / Dow | Abstract of title | c1780 | T 1793 |
| STAFFORD William Rev. Est | Kilkeel / Dow | Abstract of title | c1780 | T 1793 |
| STANDFIELD James | Belfast | Probate | c1867 | Mic/61add |
| STANFIELD Mary | Derryneill / Dow | Copy Will | c1874 | T 1730 |
| STANFIELD Andrew | Moneyslane / Dow | Copy Will | c1853 | T 1730 |
| STANHOW Henry | Clontylew / Arm | Letters patent | c 1639 | T 1303 |
| STANLEY family | Co Armagh | Pedigree | c1590 - c1909 | T 2654 |
| STANNUS family | Ballyeny / Dow | Copy pedigree | c1730 - 1873 | D/3000/64 |
| STANNUS family | Ballynock / Dow | Copy pedigree | c1730 - 1873 | D/3000/64 |
| STANNUS family | Ballynock / Dow | Copy pedigree | c1730 - 1873 | D/3000/64 |
| STANNUS family | Carrickfergus / Ant | Pedigree | 1804 - 1910 | T 1195 |
| STANNUS family | Lisadian / Dow | Copy pedigree | c1730 - 1873 | D/3000/64 |
| STANNUS family | Lisnasure / Dow | Copy pedigree | c1730 - 1873 | D/3000/64 |
| STANSFIELD Det. Const. | Brookeborough / Fer | Photo / RUC | c1922 | T 3667 |
| STAPLE family | Hillsborough / Dow | Family records | c1900 - c1940 | D 3568 |
| STAPLE S. J. | Hillsborough / Dow | Masonic certificates | 1897 - 1915 | D 3568 |
| STAPLES Edmund | Dunmore / Queens | Corresp. | c1840 | T 1988 |
| STAPLES Estate | Rasharkin / Ant | Sale Particulars | c1854 | D 1055 |
| STAPLES family | Co. Tyrone | Lissan estate papers | 1800 - 1840 | T 1988 |
| STAPLES family | Gortmore / Tyr | Title deeds, accts | 1730 - 1908 | T 1173 |
| STAPLES J.M. Rev. | Moville / Don | Corresp. | 1800 - 1820 | T 1988 |
| STAPLES Nathaniel Capt. | Bengal / India | Diary etc. | 1835 - 1838 | T 1988 |
| STAPLES family | Co. Tyrone | Bible entries | c1662 - c1800 | T 1988 |
| STAPLES Robert Sir | Cluntyganny / Tyr | Lease & map | c1856 | D 2658add |
| STAPLES Robert Sir | Creevagh / Tyr | Lease & map | c1856 | D 2658add |
| STAPLES Robert Sir | Feegarran / Tyr | Lease & map | c1856 | D 2658add |
| STAPLES Robert Ponsonby Sir | Corresp. scrapbks | 1853 - 1943 | T 1988 | |
| STAPLETON Thomas Dr. | Kent | Gen. notes | c1600 - 1911 | T 2553 |
| STAR BAKERY | Castlewellan / Dow | Acct books | 1903 - 1909 | T 2643 |
| STARK Robert Insur. Agent | Cookstown / Tyr | Acct. book | D 2784 /11 | |
| STAUNTON Moses | Belfast | Correspondence | 1841 - 1845 | T 2035 |
| STAVELY family | Ballyboyland / Ant | Corresp. etc | c1823 | T 2201 |
| STAVELY family | Ballymoney / Ant | Letters | 1811 - 1825 | D 1792 |
| STAVELY William Rev. | Kellswater / Ant | Emig. letter | c1821 | D 2013 |
| STEEL Andrew | Londonderry | Fee farm grant | c1897 | D 2123add |
| STEEL family | Gortin / Tyr | I.L.C. papers | 1857 - c1900 | D 1019 |
| STEELE family | Ballinderry / Ant | Gen. notes | c1700 - c1963 | T 2641 |
| STEELE family | Ballymacashin / Dow | family corresp. | 1714 - c1950 | T 2717add |
| STEELE family | Bangor / Dow | family corresp. | 1714 - c1950 | T 2717add |
| STEELE family | Bangor / Dow | Title deeds | c1730 - 1891 | T 2109 |
| STEELE family | Belfast | Title deeds | c1730 - 1891 | T 2109 |
| STEELE family | Beltany / Tyr | Gen. notes | 1830 - 1840 | T 2700 |
| STEELE family | Derryaghy / Ant | Gen. notes | c1700 - c1963 | T 2641 |
| STEELE family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| STEELE John | Ballymacpeake / Ldy | Re property | 1888 - 1894 | D 3658 |
| STEELE John | Drumane / Ldy | Re property | 1888 - 1894 | D 3658 |
| STEELE John | Old Town Deer Pk./Ldy | Re property | 1888 - 1894 | D 3658 |
| STEELE Property | Castledawson / Ldy | Test. papers | 1796 - 1815 | D 2513 |
| STEELE-NICHOLSON family | Balloo / Dow | Gen. notes | c1600 - 1852 | T 2717 |
| STEELE-NICHOLSON family | Bangor / Dow | Gen. notes | c1600 - c1900 | T 2160 |
| STEELE-NICHOLSON family | Balloo / Dow | Title deeds | 1743 - 1884 | D 1405 |
| STEELE-NICHOLSON family | Balloo / Dow | Corresp. | 1807 - c1941 | T 2487 |
| STEELE-NICHOLSON family | Balloo / Dow | Emig. letters | 1841 - 1947 | D 1626 |
| STEELE-NICHOLSON family | Balloo / Dow | Lease | c1785 | D 1626 |
| STEELE-NICHOLSON James | Balloo / Dow | Personal diary | c1858 | T 2487 |
| STEELFOX family | Belfast | Misc Papers | c1836 - 1922 | D 2877 |
| STEEN Alexander | High St. Ann St. Belfast | Lease | c1831 | D 698 |
| STEEN Daniel | Cam / Ldy | Will | c1906 | T 1214 |
| STEEN family | Belfast | Deeds, Test. papers | 1851 - 1905 | D 2179 |
| STEPHENS family | Hermitage / Cav | Title deeds | 1780, 1828 - 1863 | D 3480add |
| STEPHENS family | Kilkenny town | gen. notes | 1623 - 1926 | T 2262 |
| STEPHENS John Joseph IRA | Belleek / Fer | In memoriam leaflet | c1923 | T 3559 |
| STEPHENSON family | Dunadry / Ant | Title deeds | 1827 - 1877 | D 1663 |
| STEPHENSON James | Kilmacrew / Dow | Conv. B'money/Dow | c1815 | D 707 |
| STEVENSON family | Carrigullan / Dow | Title deeds, leases | 1750 - 1868 | D 3694 |
| STEVENSON family | Drumahoe / Ldy | Misc. papers | 1916 - 1949 | D 2758add |
| STEVENSON family | Lisglass / Ldy | Misc. papers | 1916 - 1949 | D 2758add |
| STEVENSON family | Stabane / Tyr | Pedigree | c1850 | D 1416 |
| STEVENSON family | Strabane / Tyr | Title deeds, etc | 1778 - 1923 | D 2609 |
| STEVENSON George | Letter to Downshire | 17 June 1798 | D 607/F/251 | |
| STEVENSON Harriet | Kilkenny | Letters of Admin | c1847 | T 2875 |
| STEVENSON James | Knockan / Ldy | Grant of Arms | c1905 | T 2631 |
| STEVENSON John | Leck / Ldy | Assignment lands | c1899 | T 1214 |
| STEVENSON John & Co. | Coalisland / Tyr | Business records | 1873 - 1968 | D 1689add |
| STEVENSON John Author | Belfast | Working notes | D 2179 | |
| STEVENSON John Dr. | Belfast | Copy Will | c1808 | D 1430add |
| STEWART family | Co. Antrim | Gen. notes | c1890 | T 2967 |
| STEWART family | Lisburn / Ant | Title deeds | c1800 - c1900 | D 1826 |
| STEWART A. K. | Ballymaglaff / Dow | Map | c1885 | D 1885 |
| STEWART Adam | Tamlaght / Ant | Rent, tithe receipts | 1832 - 1833 | T 3616 |
| STEWART Alexander | Ballylough / Ant | Copy Will & Codicl | 1739 - 1740 | D 642add |
| STEWART Charles | Garden,D'keighan / Ant | DOBs his children | 1819 - 1830 | T 3605 |
| STEWART Charles | Garden,D'keighan / Ant | Will | c1800 | T 3605 |
| STEWART Charles A. W. | Belfast | Journal / travels | 1837 - 1841 | Mic 54 |
| STEWART Elizabeth | Co. Armagh | School notebooks | 1820 - 1821 | D 2995 |
| STEWART Elizabeth Mrs | Killymoon Castle / Tyr | Will | c1821 | D 3167 |
| STEWART Estate | Louhgmacrory / Tyr | Leases,rentals,maps | 1789 - late19c | D 1021 |
| STEWART Estate | Termon / Tyr | Title deeds etc. | 1672 - c1900 | D 1716 |
| STEWART family | Bailieborough / Cav | Gen. notes | 1712 - 1906 | T 3036 |
| STEWART family | Ballenan / Arm | Title deeds | 1786 - 1896 | D 1166 |
| STEWART family | Ballintoy / Ant | Pedigree | 1449 - 1927 | T 1190 |
| STEWART family | Ballintoy / Ant | Pedigree | c1560 - 1925 | T 1327 |
| STEWART family | Ballintoy / Ant | Gen. notes | c1670 - 1843 | D 2622 |
| STEWART family | Ballydogherty / Arm | Title deeds | 1809 - 1915 | D 1241 |
| STEWART family | Ballydogherty / Arm | Gen. notes | c1650 - c1970 | D 1166add |
| STEWART family | Ballydrain / Dow | Gen. notes | 1693 - 1806 | T 2370 |
| STEWART family | Ballydrain / Dow | Will Extracts | 1796 - 1806 | T 2370 |
| STEWART family | Ballydrain / Dow | Gen. notes | c1600 - 1898 | D 1401 |
| STEWART family | Ballydrain / Dow | Pedigree | c1600 - c1970 | D 1430add |
| STEWART family | Ballygawley / Tyr | Legal papers | c1827 | T 1482 |
| STEWART family | Ballylawn / Don | Gen. notes | c1789 | D 1447 |
| STEWART family | Ballylesson / Ant | Gen. notes | 19c | T 2753 |
| STEWART family | Ballymacashen / Dow | Pedigree | 1617 - 1953 | T 1290 |
| STEWART family | Ballymena / Ant | Title deeds, leases | 1857 - 1898 | D 3612 |
| STEWART family | Ballymenagh / Tyr | Gen. notes | early 17c - c1980 | D 3319add |
| STEWART family | Ballywalter / Ant | Title deeds | c1885 - 1947 | D 2233 |
| STEWART family | Belfast | Birth dates | 1789 - 1896 | T 2553 |
| STEWART family | Castlereagh / Dow | Pedigree | 1772 - 1960 | T 2096 |
| STEWART family | Castlereagh / Dow | Pedigree | 1772 - 1960 | T 2096 |
| STEWART family | Co. Antrim | Gen. notes etc | 1263 - c1930 | D 2422 |
| STEWART family | Co. Antrim | Gen. notes | 1897 - 1974 | T 3082add |
| STEWART family | Co. Down | Gen. notes | from 17c | D 1759 |
| STEWART family | Co. Down | Will Extracts | D 1759 | |
| STEWART family | Craigatempin / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Creeve / Arm | Title deeds | 1786 - 1896 | D 1166 |
| STEWART family | Creeve / Arm | Gen. notes | c1650 - c1970 | D 1166add |
| STEWART family | Cultra / Dow | Title deeds / lands | 1842 - 1877 | D 675 |
| STEWART family | Drumard / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| STEWART family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| STEWART family | Forstewart / Don | Pedigree | c1500 - c1900 | T 1662 |
| STEWART family | Garry / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Glenlough / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Gortlee / Ldy | Pedigree | from 17c | T 2674 |
| STEWART family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| STEWART family | Killymoon / Tyr | House hold accts. | 1782 - 1797 | Mic 418 |
| STEWART family | Killymoon / Tyr | Household accts | c1750 - 1870 | D 3167add |
| STEWART family | Killymoon / Tyr | Gen. notes | early 17c - c1980 | D 3319add |
| STEWART family | Killymoon Castle / Tyr | Misc. papers | 1761 - 1845 | D 3167 |
| STEWART family | Killymoon Castle / Tyr | Misc. papers | c1698 - 1821 | D 3167/A |
| STEWART family | Leitrim / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Lisburn / Ant | Gen. notes | early 18c - 1984 | D 3000/102 |
| STEWART family | Lisnisk / Arm | Title deeds | 1786 - 1896 | D 1166 |
| STEWART family | Newry / Dow | Gen. notes | 1800 - 1896 | D 953 |
| STEWART family | Portglenone / Ant | Gen. notes | 1778 - 1950 | T 3616 |
| STEWART family | Stroan Lower / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Stroan Upper / Ant | Title deeds | c1800 - 1907 | D 2193 |
| STEWART family | Tircallan / Don | Gen. notes | early 17c - c1980 | D 3319add |
| STEWART family | Townaheppy / Tyr | Pedigree | 1780 - 1910 | T 1463 |
| STEWART family | Tyrcallen / Don | Misc. papers | 1755 - 1851 | D 3167/1 |
| STEWART family | Tyrcallen / Don | Misc. papers | 1755 - 1851 | D 3319 |
| STEWART family | Wilmot / Dow | Gen. notes | c1600 - 1898 | D 1401 |
| STEWART family | Ballydogherty / Arm | Title deeds | 1813 - 1917 | D 1214 |
| STEWART family | Coalisland / Tyr | Gen. details | 1846 - 1933 | T 3423 |
| STEWART family | Dungannon / Tyr | Title deeds | 1682 - 1837 | D 859 |
| STEWART family | Rathmelton / Don | Title deeds | 1682 - 1837 | D 859 |
| STEWART family Estate | Fortstewart / Don | Title deeds | 1682 - 1837 | D 859 |
| STEWART family Estate | Fortstewart / Don | Estate papers | c1662 - 1886 | D 2147/2358 |
| STEWART family Estate | Ramelton / Don | Estate papers | c1662 - 1886 | D 2147/2358 |
| STEWART George | Glenhill / Arm | Will | c1848 | D 3138 |
| STEWART Hannah | Belfast | L of Admin goods | c1880 | D 3805 |
| STEWART Helen | Eary / Tyr | Marr. R. Stewart | c1682 | D 1618 |
| STEWART Henry | Tyrcallen / Don | Corresp. | ? | D 3319add |
| STEWART James | Ardigon / Dow | Probate | c1727 | T 1290 |
| STEWART James | Ardigon / Dow | Conveyance | c1747 | T 1290 |
| STEWART James | Ballymacashen / Dow | Lease / B'money/D | c1841 | T 1290 |
| STEWART James | Ballymorran / Dow | Farm & dom. accts | 1838 - 1881 | T 1342 |
| STEWART James | Belfast | Copy Will | c1883 | D 2767 |
| STEWART James | Killymoon / Tyr | Grant of Arms | c1783 | D 3319add |
| STEWART James MP | Killymoon / Tyr | Election corresp. | 1768 - 1812 | D 3167/A |
| STEWART John | Ballymacashen / Dow | Farm Survey | c1808 | T 1618 |
| STEWART John | Ballymacashen / Dow | Probate | c1858 | T 1290 |
| STEWART John | Ballymorran / Dow | Trust Deeds | c1870 | T 1298 |
| STEWART John | Lochaber / Scot | Posting | c1690 | D 1618 |
| STEWART John | Tullybane / Ant | Cert. copy Will | c1784 | T 3605 |
| STEWART Matilda | Cultra / Dow | Commonplace book | c1800 | D 686 |
| STEWART Robert | Coalisland / Tyr | Tithes, rents | 17c | D 1618 |
| STEWART Robert | Garvey / Tyr | Dispute m. K. Moore | c1686 | D 1618 |
| STEWART Robert Carpenter | Lisburn / Ant | Time & Wages bk. | 1894 - 1921 | D 3528 |
| STEWART Robert Colonel | Roughan / Tyr | Essay | c1640 - 1674 | D 3332add |
| STEWART Thomas B. L. | Ballymenagh / Tyr | Map | c1843 | D 2966/80 |
| STEWART William | Ballytibbert / Ant | Copy Will | c1857 | D 2767 |
| STEWART William | Cookstown / Tyr | Court rental maps | c1850 | D 2946 |
| STEWART William | Killymoon / Tyr | Lease meeting ho. | c1836 | D 1458 |
| STEWART William | Killymoon / Tyr | Vol. of maps | c1847 | D 1033 |
| STEWART William | Newgrove / Dow | Copy Will | c1823 | D 3191 |
| STEWART William Capt. | 30th Regiment of Foot | Diary | 1810 - 1811 | T 1834 |
| STEWART A.J.R. | Drumnaconagher / Dow | Rentals | 1889, 1894 -95 | D 3616 |
| STEWART Alexander Estate | Ballintoy / Ant | Leases | 1788 - 1790 | D 2007 |
| STEWART Alexander Estate | Drumconagher / Dow | Rentals etc. | 1792 - 1799 | D 2327 |
| STEWART David Rev. Dr. | Co Down | Genealogical notes | D 1759 | |
| STEWART William Agnew | Edenderry,S'patrick/Dow | Admin/goods | c1839 | D 3805 |
| STEWART/HAMILTON fam | Strabane / Tyr | Title deeds, etc. | 1812 - 1850 | D 3608 |
| STEWART-BAM Estate | Ards / Don | Estate papers | 1781 - 1937 | D 2784/17 |
| STEWART-BAM Estate | Doe Castle / Don | Estate papers | 1781 - 1937 | D 2784/17 |
| STEWART-BAM Estate | Drummatticornnor / Dow | Estate papers | 1781 - 1937 | D 2784/17 |
| STEWART-BAM Estate | Dunfanaghy / Don | Estate papers | 1781 - 1937 | D 2784/17 |
| STEWART-BAM Estate | Laurencetown / Dow | Estate papers | 1781 - 1937 | D 2784/17 |
| STEWART-BAM Estate | Letterkenny / Don | Estate papers | 1781 - 1937 | D 2784/17 |
| STEWART-BAM family | Banbridge / Dow | Title deeds, etc. | late 19c - ear 20c | D 971 |
| STEWART-BAM family | Clare / Tyr | Title deeds | c1850 - c1900 | D 1825 |
| STEWART-BAM family | Killygordon / Don | Title deeds, etc. | late 19c - ear 20c | D 971 |
| STEWART-MOORE Estate | Moyarget / Ant | Title deeds | from 1747 | T 2201 |
| STEWART-MOORE family | Ballintoy / Ant | Gen. notes | c1670 - 1843 | D 2622 |
| STEWART-MOORE family | Co. Antrim | Gen. notes | c1800 | D 1451 |
| STEWART-MOORE family | Co. Antrim | Gen. notes | c1800 | D 1451 |
| STIEGLITZ Emma Von | Cookstown / Tyr | Sketches/ Australia | T 2397 | |
| STIEGLITZ family | Cookstown / Tyr | Gen. notes | 1601 - 1945 | T 1470 |
| STIEGLITZ Henry & Frederick | Cookstown / Tyr | Leipzig / letters | 1800 - 1856 | T 1470 |
| STIRLIING J. B. Rev Estate | Crevolea / Ldy | Court rental | c1873 | D 2710 |
| STIRLIING J. B. Rev Estate | Mullan / Ldy | Court rental | c1873 | D 2710 |
| STIRLING family | Dervock / Ant | Gen. notes | 1620 - 1833 | T 2577 |
| STITT Bert | Strandtown / Belfast | Letters from front | 1915 - 1916 | D 2402 |
| STITT family | Bishopscourt / Dow | Title deeds etc. | 1870 - 1940 | D 2404 |
| STITT family | Comber / Dow | Gen. notes | c1950 | D 3000/47 |
| STITT Richard | Ballee / Dow | Conveyance/ lands | c1830 | T 1436 |
| STITT Richard | Ballee / Dow | Conveyance/ lands | c1856 | T 1436 |
| STOKES Estate | Inishowen / Don | Title deeds | c1700 - c1880 | D 1550 |
| STOKES family | Belfast | Gen. notes | c1900 - 1940 | T 2068 |
| STOKES Estate | Raphoe / Don | Title deeds | c1700 - c1880 | D 1550 |
| STOKES family | Newry / Dow | Title deeds | 1805 - 1920 | T 1510 |
| STONE family | Comber / Dow | Gen. notes | 1388 - 1921 | T 2033 |
| STONE family | Comber / Dow | Gen. notes | from mid 18c | D 1613 |
| STONE family | Wills | 1758 - 1921 | D 1447 | |
| STONE Guy | Comber / Dow | Diaries @ 11 | 1852 - 1862 | D 1447 |
| STONE Guy J. C. | Comber / Dow | Notebook & deps. | 1844 - 1851 | D 768 |
| STONE Robert J. | Belfast | Box maker legal docs | c1944 | D 1349 |
| STONEY Estate | Co. Dublin | Business records | c1750 - 1900 | D 1253 |
| STONEY family | Co Tipperary | Gen. notes | 1623 - 1930 | T 1967 |
| STONEY Isaac | Tullylish / Dow | Encumbered sale | 18 Feb 1853 | D 1201/23/37 |
| STONEYFORD School | Co. Antrim | Pupils photo/names | 1905 - 1908 | D 3726 |
| STOOP family | Newtownards / Dow | Title deeds | 1770 - 1890 | D 1206 |
| STOREY Fred. Ltd | Belfast | Business records | c1920 - 1963 | D 2427 |
| STORY Estate | Corduff / Cav | Map | c1820 | D 3480add |
| STORY family | Clogher / Tyr | Gen. notes | 1764 - c1900 | T1562,mic42 |
| STORY family | Clogher / Tyr | Estate, dom. accts | 1790 - 1862 | T1562,mic42 |
| STORY family | Drumlane / Cav | Title deeds, leases | c1750 - c1920 | D 3480add |
| STORY family | Fintragh / Don | Property papers | 1833 - c1940 | D 2325add |
| STORY family | Irvinestown / Tyr | Title deeds, leases | c1750 - c1920 | D 3480add |
| STORY family | Kilmore / Cav | Title deeds, leases | c1750 - c1920 | D 3480add |
| STORY Jane | Clogher / Tyr | Will | c1846 | T1562,mic42 |
| STORY John Rev. | Clogher / Tyr | Degree certs. etc. | 1806 - 1831 | T1562,mic42 |
| STORY John Rev. | Galloon / Tyr | Degree certs. etc. | 1806 - 1831 | T1562,mic42 |
| STORY Louisa | Bingfield / Cav | Copy Will & Prob. | c1853 | D 3480add |
| STORY Robert Major | Co. Cavan | Rental & accts. | 1896 - 1897 | D 2784 |
| STORY Frances Isabella | Bingfield / Cav | Copy Will & Prob. | c1802 | D 3480add |
| STORY J. Dr. Rev. Estate | Clogher / Tyr | Estate papers | 1790 - 1829 | T 2854 |
| STOUP family | Newtownards / Dow | Gen. notes | 17c | T 2166add |
| STOUPE family | Dunmurray / Ant | Gen. notes | c1631 - 1943 | T 3266 |
| STOUPE family | Dunmurray / Ant | Gen. notes | late17c - 1984 | T 3266add |
| STOWE papers | Copeland Islands / Dow | Copy deed | c1578 | Mic 206 |
| STOWE papers | Mountnorris / Arm | Copy deed | c1727 | Mic 206 |
| STRABANE Morning Post | Strabane / Tyr | 800 issues | 1823 - 1837 | Mic 184 |
| STRAFFORD Earl Estate | Bellaghy / Ldy | Title deeds etc. | c1700 - c1940 | D 1062 |
| STRAIN D. H. Jnr. | Ouley / Dow | Personal diary | 1920 - 1969 | D 2585 |
| STRAIN family | Belfast | Gen. notes | from early 18c | D 2585 |
| STRAIN family | Saintfield / Dow | Gen. notes | from early 18c | D 2585 |
| STRAIN Margaret | Ballybay / Mon | Lease of lands | c1813 | D 873 |
| STRAIN W. J. Mrs | Ouley / Dow | Personal diary | 1920 - 1969 | D 2585 |
| STRATHERN Estate | Silverhill / Fer | Title deeds | c1870 - c1940 | D 1390 |
| STRETTELL Major | Magilligan Camp / Ldy | Letter/6th Enn. Drag | c1915 | T 1486 |
| STRONGE family | Drum / Arm | Leases | 1858, 1863 | D 1524add |
| STRONGE family | Fellows Hall / Arm | Leases | 1858, 1863 | D 1524add |
| STRONGE family | Naul / Arm | Leases | 1858, 1863 | D 1524add |
| STRONGE Cath. C. B. | Tynan Abbey / Arm | ms Capt McClintock | c1850 | D 3790 |
| STUART Alexander | Killyman / Tyr | Rent Roll | c1750 | D 3698 |
| STUART Alexander | Omagh / Tyr | Rent Roll | c1750 | D 3698 |
| STUART Estate | Ballyhibstock / Ant | I. L. C. papers | T2201 | |
| STUART family | Ballydivity / Ant | Rentals, accts | 1829 - c1900 | D 915 |
| STUART family | Ballydogherty / Arm | Pedigree | 1645 - c1970 | D 3000/4 |
| STUART family | Ballyhibistock / Ant | Rentals, accts | 1829 - c1900 | D 915 |
| STUART family | Drummond / Arm | Pedigree | 1645 - c1970 | D 3000/4 |
| STUART family | Killencoole / Louth | Pedigree | c1685 - c1960 | D 3332add |
| STUART family | Seapatrick / Dow | Copy Title Deeds | 1854 - 1913 | D 2426 |
| STUART-WORTLEY Caroline | Co Fermanagh | Letters | 1813 - 1814 | D 1939 |
| STUDDERT Millicent | Bunratty / Clare | m. Wm. Spaight | c1782 | T 2136 |
| STURGEON family | Co. Armagh | Title deeds, leases | 1720 - 1944 | D 889 |
| STURROCK family | Co. Antrim | Gen. notes | c1890 | T 2967 |
| STURROCK Wm. Archdeacon | Armagh | Will Extract | c1814 | T 2967 |
| STYLE Charles Estate | Glenmore / Don | Residuary / Acct. | c1854 | T 2430 |
| SUFFERN Emily | Belfast | Probate | c1897 | Mic/61add |
| SUFFERN John Surgeon | Belfast | Probate | c1847 | Mic/61add |
| SUFFERN John Jnr. | Belfast | Probate | c1891 | Mic/61add |
| SUFFERN William | Belfast | Probate | c1867 | Mic/61add |
| SUMMERVILL family | Killeen / Arm | Title deeds, leases | 1781 - 1897 | D 1524add |
| SURGEON A. A. | Magheramurphy / Dow | Will & Probate | c1835 | D 2965add |
| SWAN family | Buncrana / Don | Corresp. | 1858 - 1931 | D 1628 |
| SWAN family | Cross / Dow | Wills & Probates | 1822 - 1890 | T 3651 |
| SWAN family | Edenagarry / Dow | Wills & Probates | 1822 - 1890 | T 3651 |
| SWAN family | Grallaghgreenan / Dow | Wills & Probates | 1822 - 1890 | T 3651 |
| SWAN family | Lisnacreevy / Dow | Title deeds | 1745 - 1778 | T 3651 |
| SWAN family | Lissize / Dow | Wills & Probates | 1822 - 1890 | T 3651 |
| SWAN family | Rathfryland / Dow | Leases, deeds etc. | 1703 - c1890 | D 2653 |
| SWAN family | Rathfryland / Dow | Title deeds etc. | 1778 - 1871 | D 2965add |
| SWAN family | Rathfryland / Dow | Wills & Probates | 1822 - 1890 | T 3651 |
| SWANZY Rev. | Newry / Dow | Corresp. | c1925 | T 1431 |
| SWEETENHAM C. Mrs | Londonderry | Copy Will | c1799 | D 1550add |
| SWENARTON family | Lisnamorrow Ho. M'felt | House history | 1663 - 1970 | T 3735 |
| SWINEY Daniel | Moyagh / Don | Autobiography | from 1826 | T 3193 |
| SWINY Shapland Capt. | Dublin | Army Comms etc. | 1797 - 1798 | D 3469add |
| SWORDS John alias Croly | Co Down | Will | c1664 | D 552 |
| SYDNEY Thomas 1st Viscount | Copy Will | c1800 | D 2757 | |
| SYNGE Estate | Kircubbin / Dow | Title deeds etc. | 1708 - 1915 | D 2223 |
| SYNGE A. H. Estate | Newtownhamilton / Arm | Sale papers | 1911, 1925 | D 1217 |
| SYNGE Alexander Hamilton | Newtownhamilton / Arm | Court map | c1925 | D 1217add |
| SYNNOT J. J. Estate agent | Newry / Dow | Rent acct. book | 1910 - 1956 | D 1186 |
| SYNNOT Marcus | Aghincurk / Arm | Rent Roll | c1840 | T 3687 |
| SYNNOT Marcus | Ballintate / Arm | Rent Roll | c1840 | T 3687 |
| SYNNOT Marcus | Ballintemple / Arm | Rent Roll | c1840 | T 3687 |
| SYNNOT Marcus | Cavanakill / Arm | Rent Roll | c1840 | T 3687 |
| SYNNOT Marcus | Corlat / Arm | Rent Roll | c1840 | T 3687 |
| SYNNOT Marcus | Knockavannon / Arm | Rent Roll | c1840 | T 3687 |
| SYNNOT Marcus | Outleckan / Arm | Rent Roll | c1840 | T 3687 |