Counties of Ireland

The counties of Ireland were traditional and long standing divisions of the island of Ireland. Ireland was originally divided into five provinces, Ulster, Leinster, Munster, Connacht and Meath, with the latter eventually being absorbed into Leinster. The provinces were further subdivided into many hundreds of tuatha, a term which translates from the Irish language as meaning both the people, tribe or clan of an area and the territory they controlled. Following the Norman invasion of Ireland in the 12th century, the process of shiring the country into baronies and then counties began.

The counties underwent various changes and renamings over the years, settling into their by now traditional styles by the middle of the 19th century.

Partition of Ireland

The partition of Ireland into Northern Ireland and the Irish Free State saw the traditional thirty-two counties being split - six of the nine Ulster counties became Northern Ireland, while the remaining twenty-six counties became the Irish Free State.

Table: traditional counties

Traditional County	Formerly	Irish name	County town	Province	State
Antrim		Aontroim	Antrim	Ulster	Northern Ireland
Armagh		Ard Mhacha	Armagh	Ulster	Northern Ireland
Carlow	Caterlaugh	Ceatharlach	Carlow	Leinster	Ireland
Cavan		Cabhán	Cavan	Ulster	Ireland
Clare	Thomond	An Clár	Ennis	Munster	Ireland
Cork	Desmond	Corcaigh	Cork	Munster	Ireland
Donegal	Tyrconnel	Dún na nGall	Lifford	Ulster	Ireland
Down		An Dún	Downpatrick	Ulster	Northern Ireland
Dublin		Baile Átha Cliath	Dublin	Leinster	Ireland
Fermanagh		Fear Manach	Enniskillen	Ulster	Northern Ireland
Galway		Gaillimh	Galway	Connacht	Ireland
Kerry	Desmond	Ciaraí	Tralee	Munster	Ireland
Kildare		Cill Dara	Naas	Leinster	Ireland
Kilkenny		Cill Chainnigh	Kilkenny	Leinster	Ireland
Laois	Queen's County; Leix and Laoighis are former spellings.	Laois (sometimes still Laoighis)	Portlaoise	Leinster	Ireland
Leitrim		Liatroim	Carrick on Shannon	Connacht	Ireland
Limerick	Thomond	Luimneach	Limerick	Munster	Ireland
Londonderry	Coleraine	Doire	Derry	Ulster	Northern Ireland
Longford		An Longfort	Longford	Leinster	Ireland
Louth		Lú	Dundalk	Leinster	Ireland
Mayo		Maigh Eo	Castlebar	Connacht	Ireland
Meath		An Mhí	Navan	Leinster	Ireland
Monaghan		Muineacháin	Monaghan	Ulster	Ireland
Offaly	King's County	Uíbh Fháilí	Tullamore	Leinster	Ireland
Roscommon		Ros Comáin	Roscommon	Connacht	Ireland
Sligo		Sligeach	Sligo	Connacht	Ireland
Tipperary		Tiobraid Árann	Nenagh (North Riding); Clonmel (South Riding)	Munster	Ireland
Tyrone		Tír Eoghain	Omagh	Ulster	Ireland
Waterford		Port Láirge	Waterford	Munster	Ireland
Westmeath		An Iarmhí	Mullingar	Leinster	Ireland
Wexford		Loch Garman	Wexford	Leinster	Ireland
Wicklow		Cill Mhantáin	Wicklow	Leinster	Ireland