Meaning A girl's name of Latin origin, it means "Feminine variant of Julian: Youthful Jove's child." Origin of Jolyon Latin Popular Middle Names Pronunciation 🔊 Listen Jolyon Similar Names Lian Jilliane Jillianna Jerrilyn Jillanne Jillayne Jillene Jyl Septima Sheelagh Year by Year Popularity of Jolyon