Online Archives
- Griffith’s Valuation 1864
- Ordnance Survey of Ireland Historical Mapping Archive
- Pigot’s Directory of Ireland 1824
- Slater’s Directory of Ireland 1846
Miscellaneous
- Ulster Historical Foundation
- Ulster Placenames Society
- Flight of the Earls website
- Ulster History Circle
- Federation for Ulster Local Studies
- The Association Of O’Nell Clans
Family History
- Centre for Migration Studies, Omagh, Co Tyrone
- Irish Genealogy
- Irish Roots
- NI Family History Society
Church Archives
- Central Catholic Library
- Methodist Church in Ireland
- Presbyterian Historical Society of Ireland
- Religious Society of Friends in Ireland (Quakers)
- Representative Church Body Library (Church of Ireland Library)
Historical Societies
- Clogher Historical Society
- Donaghmore Historical Society
- Seanchas Ard Mhacha
- Lecal Historical Society,
- Creggan Historical Society,
- County Louth Archaelogical and Historical Society,
- Donegal Historical Society,
- Rev Kinston’s website for Creggan,
- Eglish Historical Society
Libraries & Archives
- Access to Archives
- Armagh Public Library
- Cardinal O Fiaich Memorial Library, Armagh
- National Folklore Collections
- National Library of Ireland
- National Museum of Ireland
- Public records Office Northern Ireland
- Trinity College Library, Dublin