Ngaran sinonim pikeun Uilleag di béda nagara jeung basa: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, Gwilherm, Gwilim, Gwillym, Gwilym, Hugleikr, Illiam, Jami, Jelle, Liam, Pim, Uilleam, Vilĉjo, Vilém, Vilhelm, Vilhelmas, Vilhelmi, Vilhelmo, Vilhelms, Vilhjálmur, Vilho, Vili, Viliam, Vilim, Vilis, Viljami, Viljem, Viljo, Vilko, Ville, Villem, Vilmos, Wil, Wilhelm, Wilhelmus, Wilkin, Wilky, Will, Willahelm, Willem, Willi, William, Willie, Willy, Wilmot, Wim, Wiremu, Wöllem, Wullem, Wum. Meunang Uilleag dina basa séjén.
Paling ngaran umum kalawan ngaran tukang Patrias: Daniel, Dick, Naomi, Nelle, Guillermo, Dániel, Daníel, Daniël. Meunang Ngaran anu buka kalayan Patrias.
