Etymology

Gaffney

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

Irish Ó Gamhna
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The story

  1. Irish · derived fromÓ Gamhna“descendant of Gamhain”
  2. English todayGaffney

Reduced Anglicized form of Irish Ó Gamhna (“descendant of Gamhain”), a byname from gamhain (“calf”).

Etymology from Wiktionary, CC BY-SA 4.0.