Gallagher
An Irish surname meaning “descendant of Gallchobhar,” traditionally understood as a brave or valiant man.
The #479 most common surname in the United States (2010 Census) — about 1 in every 4,421 Americans shares it.
Etymology
Gallagher comes from the Irish Gaelic surname O Gallchobhair, usually explained as meaning “descendant of Gallchobhar.” The personal name Gallchobhar is traditionally taken from elements meaning “foreign” or “stranger” plus “help” or “support,” though older writers sometimes tried to analyze it differently. In historical spelling, the name appears in many anglicized forms, including Gallaher, Gallogher, and Gollagher.
History
Gallagher is one of the most common surnames in Ireland, especially associated with County Donegal and the northwest. The name spread widely through Irish migration, especially to Britain and North America, and it remains a very frequent surname in the United States. Older sources note that in some Irish localities the name became so common that nicknames and substitutes were used to distinguish families.
Origin
Regions
Variant spellings
Fun fact
A 19th-century Irish surname study noted places where Gallagher was so common that people resorted to nicknames to tell families apart.
From the historical record
“Gaelic and Cor. Br., battle, evil warfare ; Gal, Welsh, clear. GALLAGHER. (Gaelic.) From GaUach, valiant, brave, and er put for fear, a man. Air is a common termination of nouns, and changes inU eir, ir, or, oir, and uir, its etymon being fear, a man. OF FAMILY NAMES. 187 GALLIGAN. (Gaelic.) From Gealagan, white.”
— An Etymological Dictionary of Family and Christian NamesNotable people named Gallagher
- Noel Gallagher (b. 1967)
- Liam Gallagher (b. 1972)
- Gallagher (1946–2022)
Sourced from Wikidata; linked to their Wikipedia page.