Meaning A popular Gaelic surname, meaning 'prosperity wielder' . Origin of Rafferty Celtic , Irish Popular Middle Names Thomas Pronunciation 🔊 Listen Rafferty RAAFehR-Tiy Similar Names Findlay Donal Raghallach Ajagbe Dunixi Aylmar Deasmumhan Muireadhach Beagin Frannsaidh Year by Year Popularity of Rafferty