Meaning & History
Derived from the given name William.
Related Names
RootWilliam (given name)
Other Languages & CulturesWillems, Willemse, Willemsen, Wilms(Dutch) Guillaume, Guillot(French) Vilhjálmsson(Icelandic) Fitzwilliam, Mac Uileagóid, McElligott(Irish) Lemmi(Italian) MacWilliam, McWilliam(Scottish)