Gwil kacha mma aha pụtara: Enyịn, Oge a, Emesapụ aka, Eji obi ụtọ, Oké njọ. Nweta Gwil pụtara aha.
Marsh kacha mma aha nna pụtara: Ifịk, Enyịn, Oké njọ, Obodo, Eji obi ụtọ. Nweta Marsh pụtara aha nna.
Gwil si malite aha mbụ. Welsh short form of Gwilym. Nweta Gwil si malite aha mbụ.
Aha ikpeazụ Marsh kasị nkịtị na Falkland Islands, New Zealand, Niue, Solomon Islands. Nweta Marsh aha nna na-agbasa.
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 Marsh: Dan, Rebecca, Jamie, Roseanna, Kelsi, Rébecca. Nweta Aha na-aga na Marsh.
Ndakọrịta nke Gwil na Marsh bụ 82%. Nweta Ndakọrịta nke Gwil na Marsh.