The story
- Irish · derived fromÓ hUallacháin“descendant of Uallachán”
- English todayHoulihan
Anglicized form of Irish Ó hUallacháin (“descendant of Uallachán”), a personal name derived from a diminutive of uallach (“proud, arrogant”).
Etymology from Wiktionary, CC BY-SA 4.0.