Etymology

O'Riordan

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

Irish Ó Ríoghbhárdáin
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The story

  1. Irish · borrowed fromÓ Ríoghbhárdáin
  2. English todayO'Riordan

Borrowed from Irish Ó Ríoghbhárdáin.

Etymology from Wiktionary, CC BY-SA 4.0.