Meaning A boy's name of Welsh origin, it means "Legendary son of K;Iydd." Origin of Culhwch Welsh Popular Middle Names Pronunciation 🔊 Listen Culhwch Similar Names Cadwallon Cadwgawn Cadwr Caerau CaledvwIch Casnar Casswallawn Caw Clud Clywd Year by Year Popularity of Culhwch