Maguire is an Irish surname from the Irish language Mag Uidhir, which is "son of Odhar" or "son of the dun or dark coloured one". According to legend, the eleventh in descent from Colla da Chrich, great-grandson of Cormac mac Airt, monarch of Ireland about the middle of the third century. From the 13th to the 17th centuries, the Maguires were kings of Fermanagh.
