Updated June 9, 2019 Share: Girl name origins & meanings German : Feminine version of William; Will + helmetTeutonic : Fierce protector Girl name variations Wilhelmina Wiletta Wilette Wilhelmine Willa 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 Willamina