Etymology

McCusker

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Today it means: A surname. Full definition →

Scottish Gaelic Mac Oscair
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The story

  1. Scottish Gaelic · derived fromMac Oscair“son of Oscar”
  2. English todayMcCusker

Anglicized form of Irish and Scottish Gaelic Mac Oscair (“son of Oscar”).

Etymology from Wiktionary, CC BY-SA 4.0.