Etymology

Hallinan

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

Irish Ó hÁilgheanáin
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The story

  1. Irish · derived fromÓ hÁilgheanáin“descendant of Áilgheanán”
  2. English todayHallinan

Reduced Anglicized form of Irish Ó hÁilgheanáin (“descendant of Áilgheanán”), a personal name from a diminutive of áilghean (“mild, gentle, soft”).

Etymology from Wiktionary, CC BY-SA 4.0.