Etymology

Kirwan

K5I1R1W4A1N1

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

Irish Ó Ciardhubháin
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The story

  1. Irish · derived fromÓ Ciardhubháin“descendant of Ciardhubhán”
  2. English todayKirwan

Anglicized form of Irish Ó Ciardhubháin (“descendant of Ciardhubhán”), a personal name composed of ciar (“dark”) + dubh (“black”) + the suffix -an.

Etymology from Wiktionary, CC BY-SA 4.0.