Etymology

Fallon

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

Irish Ó Fallamhain
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The story

  1. Irish · derived fromÓ Fallamhain“descendant of Fallamhan”
  2. English todayFallon

Reduced Anglicized form of Irish Ó Fallamhain (“descendant of Fallamhan”), a personal name related to follúnaitheoir (“ruler, governor”).

Etymology from Wiktionary, CC BY-SA 4.0.