Etymology

McDermott

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

Irish Mac Diarmada
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The story

  1. Irish · derived fromMac Diarmada“son of Diarmaid”
  2. English todayMcDermott

Anglicized form of Irish Mac Diarmada (“son of Diarmaid”).

Etymology from Wiktionary, CC BY-SA 4.0.