- General Irish Family History
- County Antrim (Chapman Code - ANT)
- County Armagh (Chapman Code - ARM)
- County Cavan (Chapman Code - CAV)
- County Clare (Chapman Code - CLA)
- County Cork (Chapman Code - COR)
- County Donegal (Chapman Code - DON)
- County Down (Chapman Code - DOW)
- Dublin (Chapman Code - DUB)
- County Fermanagh (Chapman Code - FER)
- County Galway (Chapman Code - GAL)
- County Kerry (Chapman Code - KER)
- County Kildare (Chapman Code - KID)
- County Kilkenny (Chapman Code - KIK)
- County Laois (Chapman Code - LEX)
- County Limerick (Chapman Code - LIM)
- County Mayo (Chapman Code - MAY)
- County Monaghan (Chapman Code - MOG)
- County Offaly (Kings) (Chapman Code - OFF)
- County Sligo (Chapman Code - SLI)
- County Tipperary (Chapman Code - TIP)
- County Tyrone (Chapman Code - TYR)
- County Waterford (Chapman Code - WAT)
- County Wexford (Chapman Code - WEX)
- County Wicklow (Chapman Code - WIC)