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O'Callaghan History, Family Crest & Coats of Arms



Before Irish names were translated into English, O'Callaghan had a Gaelic form of O Ceallachain, possibly from "ceallach", which means "strife". The family is descended from Ceallachan (Callaghan), the 10th century King of Munster from whom their surname is derived, and as such, the name O'Callaghan is a patronymic name.


Early Origins of the O'Callaghan family


The surname O'Callaghan was first found in Munster. The earliest mention of the name O'Callaghan placed them in the barony of Kinlea, in County Cork, yet the family lost most of their original lands in the barony of Kinelea during the Anglo- Norman Conquest under Strongbow. They relocated to an area near Mallow, in the north of the county, and remained there until forced off their lands once again during the Cromwellian Invasion of the 17th century. The head family migrated to the east of County Clare and flourished, giving their name to the village of Callaghan's Mills. The resumption of the often-discarded prefix "O" has been widespread during the late twentieth century, but in the early twentieth century, Callaghans greatly outnumbered O'Callaghans, but such is no longer the case. The O'Callaghans are one of the few Irish families to still have a chief, certified by the Genealogical Office. [1]CITATION[CLOSE]
MacLysaght, Edward, Irish Families Their Names, Arms and Origins 4th Edition. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-2364-7)

Early History of the O'Callaghan family


This web page shows only a small excerpt of our O'Callaghan research.
Another 202 words (14 lines of text) covering the years 1172, 1640, 1738, 1807, 1797, 1883, 1605, 1654, 1839 and 1909 are included under the topic Early O'Callaghan History in all our PDF Extended History products and printed products wherever possible.

O'Callaghan Spelling Variations


The general population of Ireland, like those of Europe and Britain during the Middle Ages, scribes recorded people's names as they saw fit. As a result, surnames often had many spelling variations. For O'Callaghan some of these variations included: Callaghan, Callahan, O'Callaghan, O'Callahan, Calahan, Cellaghan, Kalahan, Kallaghan, Kallahan, O'Kallaghan, Kellaghan, Kelleghan, Kellahan, Kelahan, Ceilahan, Ceilaghan, Callachan, Calachan, Callagan, Calagan, Kelagan, Callighan and many more.

Early Notables of the O'Callaghan family (pre 1700)


Another 35 words (2 lines of text) are included under the topic Early O'Callaghan Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the O'Callaghan family to the New World and Oceana


Some of the first settlers of this family name were:

O'Callaghan Settlers in Australia in the 19th Century

  • Thomas O'Callaghan, aged 21, a farm labourer, who arrived in South Australia in 1850 aboard the ship "Joseph Soames" [2]CITATION[CLOSE]
    State Records of South Australia. (Retrieved 2010, November 5) JOSEPH SOMES / SOAMES 1850. Retrieved http://www.slsa.sa.gov.au/BSA/1850JosephSomes.htm
  • Johanna O'Callaghan, aged 23, a servant, who arrived in South Australia in 1850 aboard the ship "Joseph Soames" [2]CITATION[CLOSE]
    State Records of South Australia. (Retrieved 2010, November 5) JOSEPH SOMES / SOAMES 1850. Retrieved http://www.slsa.sa.gov.au/BSA/1850JosephSomes.htm
  • Margaret O'Callaghan, aged 18, a servant, who arrived in South Australia in 1850 aboard the ship "Joseph Soames" [2]CITATION[CLOSE]
    State Records of South Australia. (Retrieved 2010, November 5) JOSEPH SOMES / SOAMES 1850. Retrieved http://www.slsa.sa.gov.au/BSA/1850JosephSomes.htm
  • John O'Callaghan, aged 21, who arrived in South Australia in 1854 aboard the ship "Sir Thomas Gresham" [3]CITATION[CLOSE]
    South Australian Register Monday 20th March 1854. (Retrieved 2010, November 5) Sir Thomas Gresham 1854. Retrieved http://www.theshipslist.com/ships/australia/sirthomasgresham1854.shtml.
  • Patrick O'Callaghan, aged 27, who arrived in South Australia in 1854 aboard the ship "Sir Thomas Gresham" [3]CITATION[CLOSE]
    South Australian Register Monday 20th March 1854. (Retrieved 2010, November 5) Sir Thomas Gresham 1854. Retrieved http://www.theshipslist.com/ships/australia/sirthomasgresham1854.shtml.
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)

O'Callaghan Settlers in New Zealand in the 19th Century

  • W. P. G. O'Callaghan, who arrived in Auckland, New Zealand aboard the ship "Queen of Beauty" in 1863
  • Arthur O'Callaghan, who arrived in Auckland, New Zealand aboard the ship "Talbot" in 1864
  • Arthur O'Callaghan, who arrived in Auckland, New Zealand aboard the ship "Glendevon" in 1864
  • Margaret O'Callaghan, aged 27, a housemaid, who arrived in Wellington, New Zealand aboard the ship "Gainsborough" in 1878
  • Jeremiah O'Callaghan, aged 20, a farm labourer, who arrived in Wellington, New Zealand aboard the ship "Rakaia" in 1878
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)

Contemporary Notables of the name O'Callaghan (post 1700)


  • Sergeant John O'Callaghan (1868-1870), American soldier, Medal of Honor recipient
  • Lieutenant-General William O'Callaghan DSM (1921-2015), Irish Army officer, Commanding Officer of the United Nations Interim Force in Lebanon
  • Conor O'Callaghan (b. 1968), Irish poet
  • Eugene O'Callaghan (1888-1973), Irish priest in the Archdiocese of Armagh
  • Professor Kathleen "Kate" O'Callaghan (1888-1961), Irish Sinn Féin politician and academic
  • Gareth O'Callaghan, Irish author, radio presenter and former television presenter
  • David O'Callaghan, Irish hurler and former Gaelic football player
  • Eugene "Taffy" O’Callaghan (1906-1946), Welsh professional footballer
  • Gary Bernard O'Callaghan MBE (1933-8722), Australian radio announcer based in Sydney, Australian Commercial Radio Hall of Fame recipient
  • Arthur Pyne O'Callaghan (1837-1930), New Zealand Member of Parliament from Canterbury
  • ... (Another 3 notables are available in all our PDF Extended History products and printed products wherever possible.)

O'Callaghan Family Crest Products



See Also



Citations


  1. ^ MacLysaght, Edward, Irish Families Their Names, Arms and Origins 4th Edition. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-2364-7)
  2. ^ State Records of South Australia. (Retrieved 2010, November 5) JOSEPH SOMES / SOAMES 1850. Retrieved http://www.slsa.sa.gov.au/BSA/1850JosephSomes.htm
  3. ^ South Australian Register Monday 20th March 1854. (Retrieved 2010, November 5) Sir Thomas Gresham 1854. Retrieved http://www.theshipslist.com/ships/australia/sirthomasgresham1854.shtml.


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