Origin of the name Finnegan: Transferred use of the surname, which is an Anglicized form of the Gaelic Ó Fionnagáin (des-cendant of Fionnagán). Fionnagán is a diminutive form of Fionn (fair): hence, “little fair one.” Var: Finnegan, Finigan. Short: Fin, Finn.
Finnigan is baby boy name mainly popular in Christian religion and its main origin is . Finnigan name meanings is Little fair one. Other similar sounding names can be Finnegan.