Iefan maana ya jina bora: Wenye uwezo, Kirafiki, Bahati, Ubunifu, Makini. Pata Iefan maana ya jina.
Durkin maana ya jina la juu: Ukarimu, Kirafiki, Makini, Wenye uwezo, Furaha. Pata Durkin maana ya jina la jina.
Iefan asili ya jina la kwanza. Aina ya Welsh John. Pata Iefan asili ya jina la kwanza.
Iefan jina la kupungua kwa jina: Ianto. Pata Majina ya jina la Iefan.
Majina ya jina la Iefan katika nchi tofauti na lugha tofauti: 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, Iwan, Jaan, Jānis, Jackin, 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, Sjang, Sjeng, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Pata Iefan kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Durkin: Jack, Norris, John, Ryan, Cait, Cáit. Pata Majina yanayotembea na Durkin.
Utangamano wa Iefan na Durkin ni 85%. Pata Utangamano wa Iefan na Durkin.