Iwan maana ya jina bora: Wenye uwezo, Kirafiki, Furaha, Tete, Bahati. Pata Iwan maana ya jina.
Blackwood maana ya jina la juu: Kubwa, Kirafiki, Furaha, Makini, Temperament. Pata Blackwood 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.
Blackwood asili. Kutoka jina la Kiingereza ambalo lina maana "mbao nyeusi". Pata Blackwood asili.
Jina la mwisho Blackwood la kawaida zaidi Jamaika. Pata Blackwood 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 Blackwood: Kai, Angela, Astley Blackwood, Illyria, Lyman, Ángela, Ângela, Angéla. Pata Majina yanayotembea na Blackwood.
Utangamano wa Iwan na Blackwood ni 79%. Pata Utangamano wa Iwan na Blackwood.