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