Guillem an t-ainm as fheàrr a chiall: Furachail, Droch, Latha an-diugh, Temperamental, Fialaidh. Faigh Guillem brìgh ainm.
Guillem a thàinig a 'chiad ainm. Catalan form of William. Faigh Guillem a thàinig a 'chiad ainm.
Samhlachadh ainmean Guillem ann an diofar dhùthchannan agus cànanan: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillermo, Gwil, Gwilherm, 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. Faigh Guillem ann an cànanan eile.
As ainmean cumanta le ainm mu dheireadh Rafton: William, Stewart, Aaron, Lino, Conrad, Aarón. Faigh Ainmean a 'dol le Rafton.