Fair or white
Finnigan is an anglicized form of the Irish surname Ó Fionnagáin, which is a diminutive of the name Fionn. It shares the same root as the more common Finn and Finnegan, referring to a person with fair hair or a light complexion.
About 50 boys were named Finnigan in 2025.
US births per 5-year period, 1990–present (SSA data).
The loyal dog of the title character · The Adventures of Rin Tin Tin
A character in the children's series · Mr. Dressup
