Etymology

McBrearty

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Today it means: A surname from Irish. Full definition →

Irish Mac Mhuircheartaigh
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The story

  1. Irish · derived fromMac Mhuircheartaigh“son of Muircheartach”
  2. English todayMcBrearty

Anglicized form of Irish Mac Mhuircheartaigh (“son of Muircheartach”), a personal name meaning "navigator". Compare Moriarty.

Etymology from Wiktionary, CC BY-SA 4.0.