Etymology

McMillan

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Today it means: A surname from Scottish Gaelic. Full definition →

Scottish Gaelic Mac Maoláin
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The story

  1. Scottish Gaelic · derived fromMac Maoláin“son of Maolán”
  2. English todayMcMillan

Anglicized form of Scottish Gaelic Mac Maoláin (“son of Maolán”), a personal name derived from a diminutive of maol (“bald, tonsured”). Cognate with Irish Mac Maoláin.

Etymology from Wiktionary, CC BY-SA 4.0.