Uilleag eng yaxshi nom ma'nolari: Temperaturali, Omadli, Quvnoq, Faol, Uchuvchi. Qabul qiling Uilleag ismining ma'nosi.
Uilleag ismining kelib chiqishi. Either an Irish form of the Old Norse name Hugleikr, or else a diminutive of Uilliam. Qabul qiling Uilleag ismining kelib chiqishi.
Boshqa mamlakatlar va tillarda, Uilleag uchun alohida ismlar: 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. Qabul qiling Uilleag boshqa tillarda.
Fallo ismiga ega bo'lgan eng keng tarqalgan ismlar: Kattie, Kenton, William. Qabul qiling Fallo bilan ketadigan ismlar.