Meaning A boy's name of Welsh origin, it means "Legendary king of Ireland Origin of Mallolwch Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Mallolwch Similar Names Rhioganedd Bhoomindra Aedd Pwyll Garreth CaledvwIch Fflergant Gwilenhin Peissawg Phaneesh Year by Year Popularity of Mallolwch