The story
- Irish · derived fromMac Giolla Fhionntáin“son of the servant of (Saint) Fintán”
- English todayMcClinton
Anglicized form of Irish Mac Giolla Fhionntáin (“son of the servant of (Saint) Fintán”), a personal name which derives from a hypocoristic form of fionn (“white”).
Etymology from Wiktionary, CC BY-SA 4.0.