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The Maguire ( mə-GWIRE) family is an Irish clan based in County Fermanagh. The name derives from the Gaelic Mac Uidhir, which is "son of Odhar" meaning "dun", "dark one". According to legend, this relates to the eleventh descendant of Colla da Chrich, great-grandson of Cormac mac Airt, who was monarch of Ireland about the middle of the third century. From the 13th to the 17th centuries, the Maguire family were kings of Fermanagh.