- Our Carroll family Genealogy Message Board
- Carroll County, Kentucky Marriages, 1838-1920
- Carroll
- Our Royal Family Connections: Carroll- O’Carroll
- The National Archives website
- Census of Ireland 1901 to 1911
- General Register Office for Republic of Ireland
- Public Record Office of Northern Ireland
- General Register Office for Northern Ireland
- Church of Ireland Genealogy Information
- Presbyterian Historical Society of Ireland
- National Library of Ireland
- Discover Ireland
- Irish Military Archives