The story
- Irish · derived fromÓ Fionnachta“descendant of Fionnachta”
- English todayFinnerty
Reduced Anglicized form of Irish Ó Fionnachta (“descendant of Fionnachta”), a personal name composed of the elements fionn (“fair, white”) + sneachta (“snow”).
Etymology from Wiktionary, CC BY-SA 4.0.