Gwil kacha mma aha pụtara: Enyịn, Oge a, Emesapụ aka, Eji obi ụtọ, Oké njọ. Nweta Gwil pụtara aha.
Gwil si malite aha mbụ. Welsh short form of Gwilym. Nweta Gwil si malite aha mbụ.
Agakọta aha maka Gwil na mba dị iche iche na-asụ asụsụ: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwilherm, 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. Nweta Gwil na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ McWhan: Lavonia, Guillermo, Necole, Jimmy, Dann. Nweta Aha na-aga na McWhan.