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O'Mongun History, Family Crest & Coats of Arms



All Irish surnames have a unique and often romantic meaning. The name O'Mongun originally appeared in Gaelic as O Mongain, which is derived from the word mongach, which means hairy.

Early Origins of the O'Mongun family


The surname O'Mongun was first found in Connacht (Irish: Connachta, (land of the) descendants of Conn), where they held a family seat and styled as one of the Irish Clanns who were descendants of King Niall of the Nine Hostages. They were descended through Eochy Moyvane, to Niall Mor, his son, the great Niall of the Nine Hostages. Descended was O'Mongain the great chief of the Mangans whose territories included branches in Mayo, Connacht, Cork and Limerick.

Early History of the O'Mongun family


This web page shows only a small excerpt of our O'Mongun research.
Another 165 words (12 lines of text) covering the years 1772, 1852 and 1803 are included under the topic Early O'Mongun History in all our PDF Extended History products and printed products wherever possible.

O'Mongun Spelling Variations


The search for the origins of the name O'Mongun family name revealed numerous spelling variations. These variants can be somewhat accounted for when it is realized that before widespread literacy people only recognized their name by pronunciation; it was up to scribes to decide how it was to be formally recorded. Variations found include O' Mongain (Gaelic), Mangan, Mongan, Mongin, Mungan, Mungen, Mongun, O'Mongan, O'Mongin, O'Mungen, O'Mongun, O'Mongun, O'Mangan and many more.

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


More information is included under the topic Early O'Mongun Notables in all our PDF Extended History products and printed products wherever possible.

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


The 18th century saw the slow yet steady emigration of Irish families to British North America and the United States. Those early Irish settlers that left their homeland were typically moderately well off: they were enticed by the promise of a sizable plot of land. However, by the 1840s, this pattern of immigration was gone: immigrants to North America were seeking refuge from the starvation and disease that the Great Potato Famine of that decade brought. The great numbers of Irish that arrived to the United States and the soon to be Canada were instrumental in their quick development as powerful industrial nations. An examination of early immigration and passenger lists uncovered many early immigrants bearing the name O'Mongun: John, Mary and Judy Mangan who arrived in New York State in 1853; Francis, Henry, James, John, Michael, Patrick, Thomas, and William Mangan, all arrived in Philadelphia, Pennsylvania between 1826 and 1868.

O'Mongun Family Crest Products



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