Jowan kacha mma aha pụtara: Kechioma, Okike, Oge a, Enyi na enyi, Iwe. Nweta Jowan pụtara aha.
Mcmurrin kacha mma aha nna pụtara: Enyịn, Kechioma, Oké njọ, Eru, Enyi na enyi. Nweta Mcmurrin pụtara aha nna.
Jowan si malite aha mbụ. Cornish form of John. Nweta Jowan si malite aha mbụ.
Agakọta aha maka Jowan na mba dị iche iche na-asụ asụsụ: 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, Joan, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, 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. Nweta Jowan na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Mcmurrin: Johnathan, Terrell, Nicholas, Huey, Allegra. Nweta Aha na-aga na Mcmurrin.
Ndakọrịta nke Jowan na Mcmurrin bụ 80%. Nweta Ndakọrịta nke Jowan na Mcmurrin.