Billy uiga igoa sili: Gauai, Foafoa, Fiafia, Lē ma vāloia, Matuia. Aumai Billy uiga o le suafa.
Koehler uiga faaiu sili: Lē ma vāloia, Fiafia, Gauai, Agalelei, Faauo. Aumai Koehler uiga o faaiu.
Billy amataga o le igoa muamua. Diminutive of Bill. A notable bearer was the American outlaw Billy the Kid (1859-1881), whose real name was William H. Bonney. Aumai Billy amataga o le igoa muamua.
Faʻaiu Koehler taatele i Siamani. Aumai Koehler faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Billy: BIL-ee. E faapefea e faalauiloa Billy.
Igoa tutusa mo Billy i atunuu ma gagana eseese: Guglielmo, Guilherme, Guillaume, Guillem, 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, Willahelm, Willem, Willi, Willy, Wilmot, Wim, Wiremu, Wöllem, Wullem, Wum. Aumai Billy i isi gagana.
Surnames taatele ma igoa Billy: Heikkila, Blausey, Kim, Babilonia, Kincheloe, Heikkilä. Aumai Lisi o surnames ma igoa Billy.
O le tele o igoa tutusa ai ma faaiu Koehler: Charles J., Bryan, Lacy, Matthew, Lol. Aumai Igoa e aumai faatasi Koehler.
Ogatasi o Billy ma Koehler o 78%. Aumai Ogatasi o Billy ma Koehler.