Meaning Derived from the Irish meaning 'white' or 'fair'. Fin is a form of the name Finnley meaning 'fair warrior'. Origin of Fin Celtic , Irish Popular Middle Names Anthony, Atticus, Jameson Pronunciation 🔊 Listen Fin FIHN Similar Names Finly Finley Findley Duncan Finn Finnegan Palicpic Alfgeir Barry Finnley Year by Year Popularity of Fin