Updated June 9, 2019 Share: Girl name origins & meanings German : Feminine version of William; Will + helmetTeutonic : Fierce protector Girl name variations Wiletta Wilette Wilhelmine Willa Willamina Willimina Wilma Wilhemine Wihelma Willette Wilmette Wyla Willie Willy Will Mina Minnie Minny Billie Billy Helma Vilma Guillelmine Guillemette Vilhelmina How Popular Is The Name Wilhelmina Famous people who gave their babies this name Taylor Hanson