Etymology

McAuliffe

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Today it means: A surname from Irish [in turn from Old Norse]. Full definition →

Irish Mac Amhlaoibh ← Middle Irish Amlaíb ← Proto-Norse *ᚨᚾᚢᛚᚨᛁᛒᚨᛉ (*anulaibaʀ)
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The story

  1. Proto-Celtic*makkʷos
  2. Old Irishmacc
  3. Middle Irishmac
  4. Irishmac
  5. Proto-Indo-European*h₂en-
  6. Proto-Germanic*anô
  7. Proto-Indo-European*leyp-
  8. Proto-Germanic*lībaną
  9. Proto-Germanic*laibō
  10. Proto-Germanic*Anulaibaz
  11. Proto-Norse*ᚨᚾᚢᛚᚨᛁᛒᚨᛉ (*anulaibaʀ)
  12. Middle IrishAmlaíb
  13. IrishAmhlaoibh
  14. IrishMac Amhlaoibh
  15. English todayMcAuliffe

Anglicized form of Irish Mac Amhlaoibh (“son of Amhlaoibh”), a Gaelicized form of the Old Norse personal name Óláfr.

Etymology from Wiktionary, CC BY-SA 4.0.