Finnan is a most often used name for boys that has its origins in Gaelic. The meaning of Finnan is 'fair'. Finnan is also used as a surname and it has two origins, one derives from Gaelic byname 'Fionn' which means 'fair'. The second is English origin deriving from the name 'Finnr'. Stephen John Finnan is a popular former international footballer. He used to play as a right back.