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![Show Contents]() O'Keelghant History, Family Crest & Coats of Arms
- Origins Available:
 Ireland
Before Irish names were translated into English, O'Keelghant had a Gaelic form of Ó 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'Keelghant is a patronymic name. 1 Early Origins of the O'Keelghant familyThe surname O'Keelghant was first found in Munster. The earliest mention of the name O'Keelghant 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. 2 Early History of the O'Keelghant familyThis web page shows only a small excerpt of our O'Keelghant research. Another 202 words (14 lines of text) covering the years 1172, 1605, 1640, 1654, 1738, 1797, 1807, 1839, 1883 and 1909 are included under the topic Early O'Keelghant History in all our PDF Extended History products and printed products wherever possible. O'Keelghant Spelling VariationsThe 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'Keelghant 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'Keelghant familyAnother 35 words (2 lines of text) are included under the topic Early O'Keelghant Notables in all our PDF Extended History products and printed products wherever possible. Migration of the O'Keelghant familyThe 18th and 19th centuries saw many Irish families immigrate to North America in search of land and opportunities. The largest influx of Irish immigrants to the United States and British North America came during the 1840s when the Great Potato Famine laid waste to their homeland. Hundreds of thousands left the island in an attempt to escape the starvation and disease it brought. Although the arrival of such a large number of destitute Irish was not welcomed by the established population in the United States and what would become known as Canada at the time, these Irish were an essential element to the rapid development of these growing industrial nations. They filled the demand for the cheap labor needed for the work in factories and in the construction of bridges, roads, canals, and railways. An examination of passenger and immigration lists has revealed many immigrants bearing the name of O'Keelghant or one of its variants: James Callaghan who settled in America in 1768; Gerhard Callaghan settled in 1764; James Callaghan settled in Pennsylvania in 1772; John Callaghan settled in Boston Massachusetts in 1764.
- MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)
- MacLysaght, Edward, Irish Families Their Names, Arms and Origins 4th Edition. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-2364-7)
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