Etymology

McDiarmid

M3C3D2I1A1R1M3I1D2

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

Irish Mac Diarmaid
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The story

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

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

Etymology from Wiktionary, CC BY-SA 4.0.