Siwan eng yaxshi nom ma'nolari: Saxiy, Faol, Quvnoq, Do'st, Temperaturali. Qabul qiling Siwan ismining ma'nosi.
Smirnova eng yaxshi familiyasi ma'nolari: Uchuvchi, Temperaturali, Quvnoq, Diqqat bilan, Ijodiy. Qabul qiling Familiyasi Smirnova.
Siwan ismining kelib chiqishi. Welsh form of Joan. Qabul qiling Siwan ismining kelib chiqishi.
Eng ko'p ishlatiladigan Smirnova familiyasi Belarusiya, Qozog'iston, Rossiya, Ukraina, O'zbekiston. Qabul qiling Smirnova familiyasi tarqalishi.
Boshqa mamlakatlar va tillarda, Siwan uchun alohida ismlar: Asia, Chevonne, Gia, Gianna, Giannina, Giovanna, Giovannetta, Hanna, Hanne, Hannele, Hannie, Ioana, Ioanna, Iohanna, Ivana, Jana, Jane, Janessa, Janice, Janina, Janna, Janne, Jannicke, Jannike, Jean, Jeanne, Jehanne, Jennigje, Jo, Joan, Joana, Joanie, Joaninha, Joann, Joanna, Joanne, Joasia, Joetta, Joey, Johana, Johanna, Johanne, Johanneke, Johnna, Jojo, Joleen, Jolene, Jone, Jonelle, Jonette, Joni, Jonie, Jonna, Jóhanna, Jóna, Jovana, Juana, Juanita, Nana, Seona, Seonag, Seònaid, Shauna, Shavonne, Shawna, Sheona, Shevaun, Shevon, Shona, Sìne, Síne, Siobhán, Tajuana, Vanna, Xoana, Yana, Yanka, Yanna, Yoana, Zhanna, Žana. Qabul qiling Siwan boshqa tillarda.
Smirnova ismiga ega bo'lgan eng keng tarqalgan ismlar: Anna, Elena, Ilze, Brandi, Olga, Oľga. Qabul qiling Smirnova bilan ketadigan ismlar.
Siwan va Smirnova ning mosligi 81%. Qabul qiling Siwan va Smirnova muvofiqligi.