Yan eng yaxshi nom ma'nolari: Ijodiy, Omadli, Do'st, Temperaturali, Quvnoq. Qabul qiling Yan ismining ma'nosi.
Trefz eng yaxshi familiyasi ma'nolari: Zamonaviy, Uchuvchi, Diqqat bilan, Ijodiy, Do'st. Qabul qiling Familiyasi Trefz.
Yan ismining kelib chiqishi. Belarusian variant of Ioannes (see John). Qabul qiling Yan ismining kelib chiqishi.
Boshqa mamlakatlar va tillarda, Yan uchun alohida ismlar: 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, 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, Jowan, Juan, Juanito, Juha, Juhán, Juhan, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Ohannes, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Siôn, Sjang, Sjeng, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Qabul qiling Yan boshqa tillarda.
Yan nomi bilan eng keng tarqalgan soyisimler: Pikaev, Juett, Diles, Regula, Alrais. Qabul qiling Yan nomi bilan familiyalar ro'yxati.
Trefz ismiga ega bo'lgan eng keng tarqalgan ismlar: Casandra, Sonia, Nicholle, Raymonde, Trenton. Qabul qiling Trefz bilan ketadigan ismlar.
Yan va Trefz ning mosligi 74%. Qabul qiling Yan va Trefz muvofiqligi.