Jowan macnaha magaca ugu wanaagsan: Nasiib, Hal abuur leh, Casri ah, Saaxiibtinimo, Dabci is-bedbeddela leh. Hel Jowan macnaha magaca.
da Costa macnaha magaca qoys ee ugu fiican: Farxad, Awoodda u, Firfircoon, Hal abuur leh, Casri ah. Hel da Costa macnaha magaca qoyska.
Jowan asal ah magaca koowaad. Cornish form of John. Hel Jowan asal ah magaca koowaad.
Magaca awoowe da Costa ugu badan ee Angola, Brazil, East Timor, Guinea-Bissau, Mozambique. Hel da Costa la odhan faafo.
Magacyada isku for Jowan in dal iyo luqado kala duwan: 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. Hel Jowan luqado kale.
Inta badan magacyada wadaagaan Magaca awoowe da Costa: John, Manuel. Hel Names in aado da Costa.
Dhignaashada ee Jowan iyo da Costa waa 73%. Hel Dhignaashada ee Jowan iyo da Costa.