Save Type Surname (from given name) Usage English Pronounced Pron. WIL-yəm [key · IPA] Expand Name LinksMeaning & History Derived from the given name WILLIAM. See All RelationsRelated Names VariantsGilliam, Wilcox, Williams, Williamson, Willis, WilsonOther Languages & CulturesWillems, Willemse, Willemsen, Wilms(Dutch) Vilhjálmsson(Icelandic) Mac Uileagóid, McElligott(Irish) Lemmi(Italian) MacWilliam, McWilliam(Scottish) Entry updated July 2, 2017