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CAHILL Family History

Ó Cathail- meaning probably 'strong in battle' from 'cath' or 'battle'. One of the oldest Irish surnames according to Woulfe, ('Sloinnte Gaedheal is Gall' 1923)

Mac Cathail- either the same meaning as above, according to Woulfe; or, according to MacLysaght ('Surnames of Ireland' 1980s ed) from personal name 'Cathal' meaning 'valour'.

Mac Cathmhaoil - meaning possibly 'battle chief''.

Ó Cathail- several unrelated septs of the name, of which the most powerful were a sept of Cinel Aodha (Hugh's People) in Co Galway, and a sept of the Eoghanachta of Loch Léin in Co Kerry, and thus descendants of the legendary king Aillil Olumm. There was also another notable sept who gave their name to Ballycahill ( the settlement of the O'Cahills) in Co Tipperary; and yet another near Corofin in Co Clare.

By the time of Griffith's 'Valuation' of Irish households (1848-60) the highest number of Cahill households were found in counties Tipperary (311) Kilkenny (236) Cork (203) and Clare (88).

Mac Cathail is rarer, being found in counties Donegal, Tyrone and Cavan.

The Registrar General's Report on births in 1890 recorded most Cahill births in counties Cork, Kerry, Dublin, Kilkenny and Tipperary.

Two famous bearers were:
Joseph Cahill (1891-1959) Premier of New South Wales in Australia.
Joe Cahill (1920-2004) Commander of the Belfast Brigade, and one time Chief of Staff of the Provisional IRA during the recent 'troubles'

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Lester good

I’m not to sure about our family history I would like to find out more if possible my grandfather’s name was John Preston Cahill of Atco Nj USA

Jo Arnspiger

Looking for parents of Alley (Alice) Cahill born about 1799, married John Gabbett in 1821 in Abington, Co. Limerick. Immigrated to Boston, MA 17 Aug 1847 and died 15 Feb 1868 in Iowa, US.


Edward Cahill born approx 1845 moved to Newcastle on Tyne from Kilkenny married Catherine Keiff from Kilkenny in Newcastle 1866


Hi, My grandfathers brother and sisters Hugh Cahill emigrated to the USA the new jersey area. sometime in the late 1800. I would like to trace any relatives in USA. Thank you

jeanette ravet

Looking for G.G.Grandfather James Cahill. Born in Tipperary 1834. Married Annie McGlinnen from Donegal 1860?? Arrived in Australia 1860-1862 I would like to know where the family lived, or any known relatives. Visiting Ireland in June


Searching for John and Johanna Cahill of Kerry near Killarney who came to America in about 1847-48. They had 4 sons-Daniel, born about 1848 in Canada (?), Cornelius and Peter Paul born 1850-1853 in New York City and Maurice, Born in Zaleski Ohio in 1859. John Cahill died in Zaleski in 1859, shortly after Maurice was born. Johanna died in Chillicothe OH in 1881. Johanna's maiden name was Cronin.


Im trying to find information on the Cahill family in Boherbue early to late 1800s.


my greatgrandfather patrick cahill was born in co. donegal in 1838 and died in dunbar, pa. usa on june 16,1890 along with his brother william in the hill farm mine disaster. he married margaret lafferty who was born in 1847 in glasgow, scotland and died jan. 12,1904 leisenring, pa. usa.


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