# Galligan

> English word · Proper noun

## Definitions
1. A surname from Irish.

## Etymology
Reduced Anglicized form of Irish Ó Gealagáin (“descendant of Gealagán”), a personal name which derives from a double diminutive of geal (“bright, white”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/galligan