Updated June 10, 2021 Share: Girl name origins & meanings Latin : Youthful Girl name variations Jilly Jilian Jiliana Jilianah Jiliane Jiliann Jilianna Jiliannah Jilleen Jilliana Jilyann Jilyanna Jilyannah Jyllian How Popular Is The Name Jillian Famous people with this first name Jillian Michaels Famous people who gave their babies this name Vanessa Williams