Joan uiga igoa sili: Laki, Po nei, Foafoa, Gauai, Agavaa. Aumai Joan uiga o le suafa.
Leo uiga faaiu sili: Po nei, Agalelei, Gauai, Volatile, Faauo. Aumai Leo uiga o faaiu.
Joan amataga o le igoa muamua. Catalan and Occitan form of Iohannes (see John). Aumai Joan amataga o le igoa muamua.
Faʻaiu Leo taatele i Islands Faroe, Papua Niu Kini, Le Au Paia o Helena, Afio Aʻe ma Tris, Vanuatu. Aumai Leo faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Joan: joo-AHN (i Catalan), zhoo-AHN (i Catalan). E faapefea e faalauiloa Joan.
Igoa tutusa mo Joan i atunuu ma gagana eseese: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Jack, Jackin, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, Jowan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Aumai Joan i isi gagana.
Surnames taatele ma igoa Joan: Nodwell, Sebastian, He, Cunning, Dominguez. Aumai Lisi o surnames ma igoa Joan.
O le tele o igoa tutusa ai ma faaiu Leo: Leonardo, Leo, Lip Wee, Rakendu, Muhammad Asghar, Léo. Aumai Igoa e aumai faatasi Leo.
Ogatasi o Joan ma Leo o 77%. Aumai Ogatasi o Joan ma Leo.