Jowan incazelo engcono kakhulu yegama: Unenhlanhla, Ukudala, Isimanje, Nobungane, Isimo sengqondo. Thola Jowan kusho igama.
Da costa izincazelo zegama elihle kakhulu: Ukudala, Ngokucophelela, Isimo sengqondo, Ujabule, Unenhlanhla. Thola Da costa incazelo yesibongo.
Jowan imvelaphi yegama lokuqala. Cornish form of John. Thola Jowan imvelaphi yegama lokuqala.
Isiqalo Da costa. Variant of Costa. Thola Isiqalo Da costa.
Igama lokugcina Da costa elivame kakhulu I-Angola, I-Brazil, I-East Timor, I-Guinea-Bissau, I-Mozambique. Thola Da costa ukusakazwa kwesibongo.
Amagama afanayo for Jowan emazweni ahlukene nezilimi ezahlukene: 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. Thola Jowan kwezinye izilimi.
Amagama amagama afanayo we Da costa emazweni ahlukene nangezilimi: Acosta, Côté, Costa, Coste, Cuesta. Thola Da costa kwezinye izilimi.
Amagama avame kakhulu ngegama lomsebenzisi Da costa: John, Manuel. Thola Amagama ahamba ne- Da costa.
Ukuhambisana kwe- Jowan kanye Da costa kuyinto 78%. Thola Ukuhambisana kwe- Jowan kanye Da costa.