Iain kacha mma aha pụtara: Enyi na enyi, Enyịn, Obodo, Kechioma, Eji obi ụtọ. Nweta Iain pụtara aha.
Com kacha mma aha nna pụtara: Emesapụ aka, Iwe, Eru, Oge a, Ifịk. Nweta Com 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, Macdonald, Banda, Macmillan, Muir. Nweta List of surnames na aha Iain.
Kasị nkịtị aha na aha ikpeazụ Com: Spravakia, Nathan, Jupiterus, Eloise, Whyubet, Éloïse. Nweta Aha na-aga na Com.
Ndakọrịta nke Iain na Com bụ 70%. Nweta Ndakọrịta nke Iain na Com.