Iancu maana ya jina bora: Bahati, Kazi, Kubwa, Kisasa, Ukarimu. Pata Iancu maana ya jina.
Mattila maana ya jina la juu: Kirafiki, Makini, Ukarimu, Tete, Bahati. Pata Mattila maana ya jina la jina.
Iancu asili ya jina la kwanza. Kiromania imepungua John. Pata Iancu asili ya jina la kwanza.
Jina la mwisho Mattila la kawaida zaidi Finland. Pata Mattila kutangaza jina la jina.
Majina ya jina la Iancu katika nchi tofauti na lugha tofauti: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannis, Giovanni, Gjon, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hovhannes, Hovik, Hovo, Iain, Ian, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jaan, Jānis, Ján, Jancsi, Janek, Janez, Jani, Janika, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, 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, Ohannes, Rashawn, Seán, Sean, Shane, Shaun, Shawn, 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 Iancu kwa lugha zingine.
Majina ya kawaida yenye jina la mwisho Mattila: Ian, Arnoldo, Marylynn, Gisela, Mamie. Pata Majina yanayotembea na Mattila.
Utangamano wa Iancu na Mattila ni 74%. Pata Utangamano wa Iancu na Mattila.