Iain kacha mma aha pụtara: Enyi na enyi, Enyịn, Obodo, Kechioma, Eji obi ụtọ. Nweta Iain pụtara aha.
Postema kacha mma aha nna pụtara: Iwe, Oké njọ, Kechioma, Ifịk, Enyịn. Nweta Postema pụtara aha nna.
Iain si malite aha mbụ. Scottish form of John. Nweta Iain si malite aha mbụ.
Agakọta aha maka Iain 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, 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, 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. Nweta Iain na ndị ọzọ asụsụ.
Kasị nkịtị surnames na aha Iain: Girdwood, Leetham, Ferry, Clenahan, Chandler. Nweta List of surnames na aha Iain.
Kasị nkịtị aha na aha ikpeazụ Postema: Daryl, Nathan, Bryant, Alina, Jon, Jón. Nweta Aha na-aga na Postema.
Ndakọrịta nke Iain na Postema bụ 76%. Nweta Ndakọrịta nke Iain na Postema.