Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
MAGUIRE
As described in historical dictionaries
Patronymica Britannica (1860)
MAGUIRE. 1. The CO. Fermanagh was
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic