Meaning A boy's name of Welsh origin, it means "Legendary son of Caw Origin of Llwybyr Welsh Popular Middle Names Pronunciation 🔊 Listen Llwybyr Similar Names Coch Conyn Dirrnyg Ergyryad Gwarthegydd Gwyngad Iustig Kynwal Mabsant Meilyg Year by Year Popularity of Llwybyr