Meaning A boy's name of Welsh origin, it means "Legendary son of Cleddyv KyvwIch Origin of Syvwkh Welsh Popular Middle Names Pronunciation 🔊 Listen Syvwkh Similar Names Brys Kynwyl Sayres Selyf Selyv Siencyn Sonnagh Sugyn Albanwr Anfri Year by Year Popularity of Syvwkh