Iefan maana ya jina bora: Wenye uwezo, Kirafiki, Bahati, Ubunifu, Makini. Pata Iefan maana ya jina.
Teoh maana ya jina la juu: Tete, Furaha, Kirafiki, Kubwa, Ukarimu. Pata Teoh 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.
Jina la mwisho Teoh la kawaida zaidi Malaysia, Singapore. Pata Teoh kutangaza jina la jina.
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 Teoh: Pureen, Liz, Carlota, Adrian, Sebrina, Adrián. Pata Majina yanayotembea na Teoh.
Utangamano wa Iefan na Teoh ni 75%. Pata Utangamano wa Iefan na Teoh.