Meaning Lily derived from the flower name, which is from the Latin 'illium'. May derived from the name of the month. Origin of Lily-May English +-100%Zoom level changed to 1 Popular Middle Names Catherine Pronunciation 🔊 Listen Lily-May LIH-Ly - MEY Similar Names Lily May Lilly-May Lily-Anne Lily-Mai Lily-Grace Lily-Ann Lily Rose Lily Mai Lily-Mae Lucy-May Year by Year Popularity of Lily-May