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.
Less common today
Finnigan isn't in the latest US Top 1000. It last peaked at #1,597 in 2016.
The loyal dog of the title character · The Adventures of Rin Tin Tin
A character in the children's series · Mr. Dressup
US births per 5-year period, 1990–present (SSA data).
