Save Type Surname (from given name) Usage French Expand LinksMeaning & History From a diminutive of the given name GUILLAUME. DetailsRelated Names VariantGuillaumeOther Languages & CulturesWillems, Willemse, Willemsen, Wilms(Dutch) Gilliam, William, Williams, Williamson, Minett, Mynatt, Wilcox, Wilkerson, Wilkins, Wilkinson, Willis, Wilson(English) Vilhjálmsson(Icelandic) Mac Uileagóid(Irish) Lemmi(Italian) MacWilliam, McWilliam(Scottish) Entry added December 14, 2019 ·