Finnegan
Descendant of Fionnagán, from the name Fionn meaning fair or white-haired.
Meaning and origin
Finnegan is an English adaptation of the Irish surname Ó Fionnagáin, which derives from Fionnagán, a diminutive of Fionn.
How to pronounce Finnegan
| English (US) | FIN-ih-gun |
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About this entry
Drafted with the help of an AI model, then checked by a person. Last checked on 16 September 2026.
The sources behind this entry are listed in the app.