Jowan kacha mma aha pụtara: Kechioma, Okike, Oge a, Enyi na enyi, Iwe. Nweta Jowan pụtara aha.
Kákos kacha mma aha nna pụtara: Obodo, Emesapụ aka, Oge a, Eru, Iwe. Nweta Kákos 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 Kákos: Ilias, Ioannis, Elouise, Stephen, Elfriede. Nweta Aha na-aga na Kákos.
Ndakọrịta nke Jowan na Kákos bụ 82%. Nweta Ndakọrịta nke Jowan na Kákos.