Meaning A girl's name of English origin, it means "Jove's child. Variant of Gillian from the masculine Julian." Origin of Jillianne English +-100%Zoom level changed to 1 Popular Middle Names Joleigh Pronunciation 🔊 Listen Jillianne Similar Names Jilian Jilliane Jilliann Jillianna Jillanne Jillayne Jillene Jillesa Jyllina Jill Year by Year Popularity of Jillianne