The abbreviations below stand for: NLI = National Library of Ireland, NAI = National Archives of Ireland, SLC = Salt Lake City film number that can be ordered through your nearest Family History Center, PRONI = Public Record Office of Northern Ireland.
| Date | Source | Location |
| 798 | Spinning wheel Premium List | SLC |
| 1659 | Penders Census of Ireland | SLC 925648 |
| 1665 | Hearth Money Rolls | Irish Manuscripts Commission 1967 |
| 1749 | Religious Census of Elphin Dioceses | SLC 101781 |
| 1796 | Voters List for Co. sligo | Sligo County Library |
| 1813 | Petition by Sligo Protestants | NLI |
| 1824 | J. Pigot's City of Dublin and Hibernian Provincial Directory | Sligo County Library |
| 1839 | List of Persons who obtained Game Certificates in sligo | Parl. Papers 1837 |
| 1839 | Sligo Independent's | SLC 100179 |
| 1843 | Voters Lists | Nai |
| 1846 | Slater's National Commercial Directory of Ireland | Sligo County Library |
| 1852 | Names of Electors for Co. Sligo | NLI |
| 1853 | Rental of the Crofton Estate - Dromard and Templeboy Parishes | NAI |
| 1856 | Slater's National Commercial Directory of Ireland | Sligo County Library |
| 1858 | Griffiths Valuation | SLC |
| 1870 | Slater's Directory of Ireland | Sligo County Library |
| 1876 | Owners of Land in Co. sligo | Sligo County Library |
| 1881 | Slater's Royal National Directory of Ireland | Sligo County Library |
| 1889 | Sligo Independent directory of Ballymote, Cliffoney, Easkey, Coolaney, Drumcliff, Collooney, Carney, Dromore West, Rioverstown and Bunnermadden, Rosses Point and Enniscrone, Sligo, and Tubbercurry. | Sligo County Library |
| 1894 | Slater's Royal National Directory of Ireland | Sligo County Library |
| 1901 | Census | SLC 851582-851605 |
| 1911 | Census | NAI |
| "1856 | Sligo Independent Almanac | Sligo County Library |
| . | Further Notes on the High Sheriffs of Co. Sligo | Sligo County Library |
| . | History of Blalymote and the Parish of Emlaghfad | Sligo County Library |
| . | From Plain to Hill - A Shrot History of the Parish of Achonry | Sligo County Library |
| . | Killoran and Coolaney, a local History | Sligo County Library |
| . | Statistcial Survey of co. Sligo | Sligo County Library |
| . | A Bibliographical Introduction to the Antiquities and History of Co. Sligo | Sligo County Library |
| . | History of Sligo, Town and Country | Sligo County Library |
| . | History of Sligo | Sligo County Library |
| 1691-1845 | Kilmore and Ardagh | SLC 100869 |
| 1698-1838 | Killala and Achonry Wills | SLC 824242 |
| 1698-1838 | Index to Killala and Achonry Wills | SLC 941.5 A1 |
| 1705-0732 | Sligo county wills | NLI |
| 1734-1825 | Estate records of Owen Wynne's Estate | Sligo County Library |
| 1740-1900 | Estate records of the Lord Lorron Estate | Sligo County Library |
| 1760-86 | Major Tenants of the Stafford Estate | NLI |
| 1760-87 | Rental of the Boswell Estate - Ahamlish and Drumrat Parishes | NLI |
| 1760-88 | Rental of the O'hara Estate Parishes of Achonry, Ballysadare, Killoran and Killvarent | NLI |
| 1775-1872 | Estate records of the cooper Family | Sligo County Library |
| 1792-1804 | Rental Records of Sir Thomas Dundas Estate | NLI |
| 1795-96 | Alphabetical List of Sligo Freeholders | NLI |
| 1823-37 | Tithe Applotment Survey | NLI |
| 1832-37 | List of Voters Registered in the Borough of Sligo | SLC |
| 1865-1899 | Ballina District Will Books | SLC 100868 |
| Family History | Pedigrees of Co. Sligo Families, McDonagh | Sligo County Library |
| Family History | A History of the Protestant Downeys of Cos. Sligo, Leitrim, Fermanagh and Donegal | Sligo County Library |
| Family History | Hillas of Co. Sligo | Sligo County Library |
| Family History | Irinw (see Co. Roscommon) | Sligo County Library |
| Family History | The McDermots of Moylurg | Sligo County Library |
| Family History | Pedigrees of the McDonagh Clan of Corann and Tirerill and other Families of Co. Sligo | Sligo County Library |
| Family History | The O'connor Families, Families of Daniel and Matthias O'Connor of Corsallagh Hosue, Achonry, Co. Sligo, Ireland | Sligo County Library |
| Family History | The Family of Wood, Co. Sligo | Sligo County Library |
| Family History | The Wynnes of Sligo and Leitrim | Sligo County Library |
| Gravestone Inscriptions | Indexed by Sligo Heritage Center | Sligo Heritage Center |
| Library | Sligo County Library The Courthouse Sligo, Ireland | . |
| Library | Co. Sligo Heritage and Genalogy Society Aras Reddan Temple St Sligo, Ireland | . |
| Library | Ballymote Heritage society | . |
| Library | Sligo Field Club | . |