Uilliam uiga igoa sili: Agalelei, Po nei, Laki, Volatile, Foafoa. Aumai Uilliam uiga o le suafa.
Uilliam amataga o le igoa muamua. Irish form of William. Aumai Uilliam amataga o le igoa muamua.
Uilliam igoa diminutives: Liam, Uilleag, Ulick. Aumai Nicknames mo Uilliam.
Igoa tutusa mo Uilliam i atunuu ma gagana eseese: Bill, Billie, Billy, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Gwil, Gwilherm, Gwilim, Gwillym, Gwilym, 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. Aumai Uilliam i isi gagana.
O le tele o igoa tutusa ai ma faaiu Darroch: Fairy, Barb, Gus, Arabella, Will. Aumai Igoa e aumai faatasi Darroch.