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Gallagher

Today it means: A surname from Irish; variant forms Gallager, Gallaher, Galleher, Galligher, Galliher, Gollaher, Golliher. Full definition →

Irish Ó Gallachóir ← Old Irish Ó Gallchobhair

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The story

Old Irish · derived fromÓ Gallchobhair
Irish · borrowed fromÓ Gallachóir
English todayGallagher

From Irish Ó Gallachóir, from Old Irish Ó Gallchobhair, Ó Gallchobhoir, a surname meaning "descendants of Gallchobair".

Etymology from Wiktionary, CC BY-SA 4.0.