Meaning A boy's name of Welsh origin, it means "Legendary son of Gwawrddur Origin of Duach Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Duach Similar Names Brathach Nerthach Powell Digon Dirrnyg Drudwas Drych Dyvynarth Dyvyr Dywel Year by Year Popularity of Duach