The Maguires' proud motto is 'Justice and courage are invincible,' a very suitable attitude that represents the tenacity and valour with which the clan maintained control for generations as lords of modern-day Co. Maguire Tartan Fermanagh, one of Ulster's six counties, or modern-day Northern Ireland. The Gaelic version of the name is Mac Uidhir or Mag Uidhir, which comes from the word 'Odhar,' which means dun or brown-haired.