Jowan maana ya jina bora: Bahati, Ubunifu, Kisasa, Kirafiki, Temperament. Pata Jowan maana ya jina.
Griffin maana ya jina la juu: Kazi, Wenye uwezo, Kirafiki, Ukarimu, Bahati. Pata Griffin maana ya jina la jina.
Jowan asili ya jina la kwanza. Aina ya Cornish John. Pata Jowan asili ya jina la kwanza.
Griffin asili. Imefanywa kutoka kwa jina lililopewa Gruffudd. Pata Griffin asili.
Jina la mwisho Griffin la kawaida zaidi Ireland, Monaco, Papua Guinea Mpya, Saint Kitts na Nevis. Pata Griffin kutangaza jina la jina.
Majina ya jina la Jowan 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, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Jack, Jackin, Jake, 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, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, 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 Jowan kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Griffin: Harlan, Garnet, Ronnie, Donna, Eileen. Pata Majina yanayotembea na Griffin.
Utangamano wa Jowan na Griffin ni 77%. Pata Utangamano wa Jowan na Griffin.