Iwan maana ya jina bora: Wenye uwezo, Kirafiki, Furaha, Tete, Bahati. Pata Iwan maana ya jina.
Dupuy maana ya jina la juu: Kirafiki, Kisasa, Makini, Ubunifu, Wenye uwezo. Pata Dupuy maana ya jina la jina.
Iwan asili ya jina la kwanza. Aina ya Welsh John na aina ya Kipolishi Ivan. Pata Iwan asili ya jina la kwanza.
Jina la mwisho Dupuy la kawaida zaidi Ufaransa. Pata Dupuy kutangaza jina la jina.
Usajili au jinsi ya kutaja jina la kwanza Iwan: EE-wan (kwa lugha ya Welsh), EE-vahn (katika lugha ya Kipolishi). Jinsi ya kutaja Iwan.
Majina ya jina la Iwan 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, Jaan, Jānis, Jack, Jackin, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, 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, 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. Pata Iwan kwa lugha zingine.
Majina ya kawaida yenye jina Iwan: Markun, Sunawan. Pata Orodha ya majina yenye jina Iwan.
Majina ya kawaida yenye jina la mwisho Dupuy: Pascal Alex Joseph, Jake, Hulda, Nicolas, Theron, Nicolás. Pata Majina yanayotembea na Dupuy.
Utangamano wa Iwan na Dupuy ni 76%. Pata Utangamano wa Iwan na Dupuy.