Gallagher.
A surname from Irish; variant forms Gallager, Gallaher, Galleher, Galligher, Galliher, Gollaher, Golliher.
Meaning & usage
A surname from Irish; variant forms Gallager, Gallaher, Galleher, Galligher, Galliher, Gollaher, Golliher.
Numerous placed in the United States: A township in Clinton County, Pennsylvania.
Numerous placed in the United States: An unincorporated community in Kanawha County, West Virginia.
Where this word comes from
From Irish Ó Gallachóir, from Old Irish Ó Gallchobhair, Ó Gallchobhoir, a surname meaning "descendants of Gallchobair".
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.