Etymology

O'Rourke

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

Irish Ó Ruairc
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The story

  1. Irish · derived fromÓ Ruairc“descendant of Ruarc”
  2. English todayO'Rourke

Anglicized form of Irish Ó Ruairc (“descendant of Ruarc”), a Gaelicized form of the Old Norse personal name Hrórekr (“Roderick”).

Etymology from Wiktionary, CC BY-SA 4.0.