Etymology

McRoy

M3C3R1O1Y4

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

Irish Mac Rúaidh
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The story

  1. Irish · derived fromMac Rúaidh“son of Rúadh”
  2. English todayMcRoy

Anglicized form of Irish Mac Rúaidh (“son of Rúadh”), a byname from ruadh (“red”).

Etymology from Wiktionary, CC BY-SA 4.0.