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Gender: M Meaning of Mcdermott: "son of Diarmaid" Origin of Mcdermott: Irish

McDermott is a common Irish surname that means, as all Mc or Mac names do, "son of" --then Dermott or Dermot, which is an Anglicization of the Irish Gaelic Diarmaid. The legendary Diarmaid was the lover of Grainne and the real King Diarmaid, in the twelfth century, first invited the English into Ireland. Actor Dermot Mulroney made his name famous in the U.S.

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Famous People Named Mcdermott

Dylan McDermott, American actor

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