Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
MAHONY
As described in historical dictionaries
Patronymica Britannica (1860)
MAHONY. Anciently O'Mahony, powerful chieftains in Munster, possessing large estates on the sea coast of Kerry and Cork. B.L.G.
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic