Meaning A boy's name of Welsh origin, it means "Legendary son of LIyr Origin of Manawydan Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Manawydan Similar Names Powell Mil Mabon Madawg Maelwys Medyr Meilyg Menw Moren Morvran Year by Year Popularity of Manawydan