The story
- Irish · derived fromÓ Flannagáin“descendant of Flannagán”
- English todayFlanagan
From Irish Ó Flannagáin (“descendant of Flannagán”), a personal name from a double diminutive of flann (“blood red”).
Etymology from Wiktionary, CC BY-SA 4.0.
Flanagan
Today it means: A surname from Irish. Full definition →
Irish Ó Flannagáin