In Croatia, Vosmek families are almost entirely Croats (from Krizevci area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Cazma area and in Bjelovar.
Prevalence
About 30 people with faimily name Vosmek live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number increased by 90 percent. They are only located in four Croatian cities and 6 other places, mostly in Jakopovac in Krizevci area (<10), Velika Trnovitica in Garesnica area (<10), Berek in Cazma area (<5), Samarica in Bjelovar area (<5), and in Koprivnica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.