Etymology

Linehan

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

Irish Ó Laidhghneáin
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The story

  1. Irish · derived fromÓ Laidhghneáin“descendant of Laidhghneán”
  2. English todayLinehan

Reduced Anglicized form of Irish Ó Laidhghneáin (“descendant of Laidhghneán”), perhaps a personal name derived from a diminutive form of laidhghein (“snow-birth”), from ladhg (“snow”) + gein (“birth”).

Etymology from Wiktionary, CC BY-SA 4.0.