Iwan uiga igoa sili: Agavaa, Faauo, Fiafia, Volatile, Laki. Aumai Iwan uiga o le suafa.
McKay uiga faaiu sili: Volatile, Matuia, Foafoa, Agavaa, Toaga. Aumai McKay uiga o faaiu.
Iwan amataga o le igoa muamua. Welsh form of John and a Polish form of Ivan. Aumai Iwan amataga o le igoa muamua.
Faʻaiu McKay taatele i Kanata, Islands Falkland, Niu Sila, Peletania. Aumai McKay faaiu faasalalauina.
E tusitusiga po o le auala e faalauiloa le igoa muamua Iwan: EE-wan (i Uelese), EE-vahn (i Polani). E faapefea e faalauiloa Iwan.
Igoa tutusa mo Iwan 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, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Jaan, Jānis, Jack, Jackin, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, 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, 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 Iwan i isi gagana.
Surnames taatele ma igoa Iwan: Markun, Sunawan. Aumai Lisi o surnames ma igoa Iwan.
O le tele o igoa tutusa ai ma faaiu McKay: Brian, Martin, Raymond, Ian, Wesley, Martín. Aumai Igoa e aumai faatasi McKay.
Ogatasi o Iwan ma McKay o 74%. Aumai Ogatasi o Iwan ma McKay.