Meaning A boy's name of Irish origin, it means "Famous ruler." Origin of Ruaidhri Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Ruaidhri Similar Names Eric Revelin Roark Rorke Rourke Ruarc Ruark Ruailidh Richie Roddric Year by Year Popularity of Ruaidhri