Etymology

Kelleher

K5E1L1L1E1H4E1R1

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

Irish Ó Céileachair ← Old Irish céile ← pgl ᚉᚓᚂᚔ
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The story

  1. Proto-Indo-European · derived from*-eh₂kos, *-eh₂ḱos
  2. Proto-Celtic · derived from*-ākos
  3. Old Irish · derived from-ach
  4. Proto-Celtic · derived from*keiliyos
  5. pgl · derived fromᚉᚓᚂᚔ“follower, devotee”
  6. Old Irish · derived fromcéile
  7. Irish · derived fromÓ Céileachair“descendant of Céileachar”
  8. English todayKelleher

From Irish Ó Céileachair (“descendant of Céileachar”), from the male given name Céileachar (literally “spouse-loving”), from céile (“spouse, companion”), from Old Irish céile, from Primitive Irish ᚉᚓᚂᚔ (celi, “follower, devotee”, genitive), from Proto-Celtic *keiliyos; + -ach (“of”, relation-forming suffix), from Old Irish -ach, from Proto-Celtic *-ākos, from Proto-Indo-European *-eh₂kos, *-eh₂ḱos.

Words from the same roots

Proto-Celtic*keiliyos all →

ceilidh

Etymology from Wiktionary, CC BY-SA 4.0.