As described in historical dictionaries

Patronymica Britannica (1860)

MAHON. Descended according to tradition from the Mac Mahons, the ancient Irinces of Munstcr. At the first arrival of the English in Ireland, in the reign of Henry II., they had large possessions in that province, over which they ruled as hereditary chieftains. Courthope's Debrett. Mahon in Irish signifies a bear.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


Surname type: From given name or forename

Origin: Celtic

Region of origin: British Isles

Country of origin: Ireland

Religion of origin: Christian

Language of origin: Gaelic

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