Girl name origins & meanings German : Feminine version of William; Will + helmetTeutonic : Fierce protector Girl name variations Wilhelmina Wiletta Wilette Wilhelmine Willamina Willimina Wilma Wilhemine Wihelma Willette Wilmette Wyla Willie Willy Will Mina Minnie Minny Billie Billy Helma Vilma Guillelmine Guillemette Vilhelmina Famous people who gave their babies this name Keri Russell