Etymology

Callanan

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

Irish Ó Callanáin
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The story

  1. Irish · derived fromÓ Callanáin“descendant of Callanán”
  2. English todayCallanan

Reduced Anglicized form of Irish Ó Callanáin (“descendant of Callanán”), a personal name of unclear origin.

Etymology from Wiktionary, CC BY-SA 4.0.