Gwilherm maana ya jina bora: Ukarimu, Tete, Kirafiki, Makini, Kubwa. Pata Gwilherm maana ya jina.
Gwilherm asili ya jina la kwanza. Aina ya Kibretoni William. Pata Gwilherm asili ya jina la kwanza.
Majina ya jina la Gwilherm katika nchi tofauti na lugha tofauti: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, Gwilim, Gwillym, Gwilym, Illiam, Jami, Jelle, Liam, Pim, Uilleag, Uilleam, Uilliam, Ulick, 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. Pata Gwilherm kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Newcum: Kendrick, Guillermo, Mariel, Anibal, Mikel, Aníbal. Pata Majina yanayotembea na Newcum.