Meaning A boy's name of Welsh origin, it means "Legendary son of LIyr Origin of Manawydan Welsh Popular Middle Names Pronunciation 🔊 Listen Manawydan Similar Names Madawc Maelgwyn Mawrth Medyr Meilyg Mordwywr Morthwyl Myrddin Olwydd Albanwr Year by Year Popularity of Manawydan