Iefan maana ya jina bora: Wenye uwezo, Kirafiki, Bahati, Ubunifu, Makini. Pata Iefan maana ya jina.
Jay maana ya jina la juu: Kirafiki, Kisasa, Kubwa, Tete, Furaha. Pata Jay 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 Jay la kawaida zaidi Wallis na Futuna. Pata Jay 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 Jay: Monserrate, Jayanthi, Jaykeerth, Revathi, Aryaman. Pata Majina yanayotembea na Jay.
Utangamano wa Iefan na Jay ni 80%. Pata Utangamano wa Iefan na Jay.