Meaning A boys name from Irish mythology and Celtic origin, it means 'white' and 'fair warrior'. Origin of Finn Celtic , Irish Popular Middle Names Alexander, William, Andrew, Joseph, Michael, Robert, Ryder, Alan, Ryan, Richard Pronunciation 🔊 Listen Finn FI-nn Similar Names Fin Finnegan Finlay Finley Finly Barry Findlay Findley Fiachra Fionn Year by Year Popularity of Finn