Meaning A boy's name of Welsh origin, it means "Legendary son of Menestyr Origin of Gwyddawg Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Gwyddawg Similar Names Powell Gilvaethwy Gleis Goreu Gruddyeu Gwalhaved Gwallawg Gwevyl Gwydre Gwyngad Year by Year Popularity of Gwyddawg