Updated June 9, 2019 Share: Boy name origins & meanings Teutonic : Valiant protector Boy name variations William Will Willem Wilhelm Wilmos Wilmot Wilson Williams Williamson Wills Willie Willy Wiley Wyley Wilkie Willkie Wilkes Wylkes Willis Wilton Wilmer Wilmar Winton Willard Wilford Guillaume Guillermo Vilhelm Vilem Viliam Vasili Vasily Uilleam Uilliam How Popular Is The Name Wil