The story
- Irish · derived fromÓ Reachtagáin“descendant of Reachtagán”
- English todayRatigan
Reduced Anglicized form of Irish Ó Reachtagáin (“descendant of Reachtagán”), a personal name from a diminutive of reachtaire (“administrator, steward”) or reacht (“law”).
Etymology from Wiktionary, CC BY-SA 4.0.