Meaning A boy's name of Welsh origin, it means "Legendary son of Cunyn Cov." Origin of Dalldav Welsh Popular Middle Names Pronunciation 🔊 Listen Dalldav Similar Names Deverril Dillie Dillwyn Druce Drudwas Drywsone Dynawd Dyvynarth Dyvyr Albanwr Year by Year Popularity of Dalldav