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O'Callaghan

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{{Infobox name

| name = O'Callaghan

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| pronunciation = {{IPAc-en|uk|ə|ˈ|k|æ|l|ə|h|ən|,_|-|ɡ|ən|,_|-|h|æ|n}}
{{IPAc-en|us|oʊ|ˈ|k|æ|l|ə|h|ən|,_|-|h|æ|n}}

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| language = English

| languageorigin = {{llink|ga}}

| origin = Ó Ceallacháin

| derivation = ceallach

| meaning = 'contention'

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| variant forms = O'Callahan, Callahan, Calligan, O'Kelaghan, Kelaghan, Kealahan

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| footnotes = {{cite LPD|3|page=557}}{{cite EPD|18|O'Callaghan|url={{GBurl|id=KQXL_uRxUN4C|page=346}}}}{{cite book|last1=Hanks|first1=Patrick|last2=Hodges|first2=Flavia|year=1988|title=A Dictionary of Surnames|publisher=Oxford University Press|isbn=0-19-211592-8|page=90}}

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O'Callaghan or simply Callaghan without the prefix (anglicized from two separate surnames and clans, Ó Ceallacháin, Munster Clan. Ó Ceileacháin, Oriel Clan) is an Irish surname.

Origin and meaning

=Munster=

{{See also|Viscount Lismore}}

The surname means descendant of Ceallachán who was the Eóganachta King of Munster from AD 935 until 954. The personal name Cellach means 'bright-headed'. The principal Munster sept of the name Callaghan were lords of Cineál Aodha in South Cork originally. This area is west of Mallow along the Blackwater river valley. The family were dispossessed of their ancestral home and {{cvt|24000|acre|ha acre km2|order=out}} by the Cromwellian Plantation and settled in East Clare.{{cite web|title=MS UR 051345|url=http://sources.nli.ie/Record/MS_UR_051345|website=sources.nli.ie|access-date=1 January 2018|language=en}}

The O'Callaghan land near Mallow, forfeited by Donough O'Callaghan after the Irish rebellion of 1641, came into the hands of a family called Longfield or Longueville, who built a 20-bedroom Georgian mansion there.{{Citation needed|date=August 2024}} In a twist of history, {{cvt|500|acre|ha acre km2|0|order=out}} of the ancient O'Callaghan land returned to O'Callaghan hands in the twentieth century, when Longueville House was bought by a descendant of Donough O'Callaghan. The ancestral estate of the O'Callaghans, now a luxury hotel, is owned by William O'Callaghan.{{cite web|title=Home – Cork Accommodation – Longueville House Hotel|url=http://www.longuevillehouse.ie/history.html|website=www.longuevillehouse.ie|access-date=1 January 2018|archive-date=21 January 2021|archive-url=https://web.archive.org/web/20210121035535/https://www.longuevillehouse.ie/history.html|url-status=dead}}

=Oriel=

An entirely different sept, Ó Ceileacháin in Irish, is to be found in the counties Armagh, Louth, Meath and Monaghan. It has been anglicised as Callaghan, Kelaghan, Keelaghan, Kealahan and other variants. In County Meath, where it is widespread but has been found mainly in the parishes of Kells, Trim and Athboy, it is mainly anglicised as Callahan, Callaghan or O'Callaghan (with local spelling variants). In County Westmeath it is found in the form Kellaghan and Kelleghan. In County Monaghan it is often found as Keelan.{{cite book|last=McLysaght|first=Edward|title=Irish Families, Their Names, Arms and Origins|edition=3|location=New York|publisher=Crown Publishers|orig-year=1957|year=1972|oclc=281157|url=https://archive.org/details/irishfamiliesthe00macl/page/n5/mode/2up|access-date=8 February 2025|via=Internet Archive}}

Members of the Ó Ceileacháin family were mentioned in the Annals of the Four Masters as being lords of Uí Breasail, a district on the southern shore of Lough Neagh, and priors of Armagh in the 11th century.[https://books.google.com/books?id=nojJpEWHAkgC Annála Rioghachta Éireann: Annals of the Kingdom of Ireland]

People

=Callaghan=

{{main|Callaghan (disambiguation){{!}}Callaghan}}

=O'Callaghan=

Places

See also

;Other Munster families

References

{{Reflist}}

Further reading

  • Bugge, Alexander (ed. and tr.), Caithreim Cellachain Caisil: The Victorious Career of Cellachan of Cashel Christiania: J. Chr. Gundersens Bogtrykkeri. 1905.
  • Curley, Walter J.P., Vanishing Kingdoms: The Irish Chiefs and their Families. Dublin: Lilliput Press. 2004.
  • {{cite book |title= Tipperary Families : Being The Hearth Money Records for 1665–1667|last= Laffan|first=Thomas|year=1911|publisher=James Duffy & Co}}
  • O'Hart, John, Irish Pedigrees. Dublin. 5th edition, 1892.

External links

  • [https://sites.google.com/site/callahanfamilygenealogy/ Callahan Genealogy and History website]

{{Eóganachta}}

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Category:Irish families

Category:Surnames of Irish origin

Category:Anglicised Irish-language surnames

Category:English-language surnames