In Croatia, Osonički families are almost entirely Croats (from Glina ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Glina and Sisak.
Prevalence
About 30 people with faimily name Osonički live in Croatia today, in 12 households. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties and 6 other places, mostly in Velika Solina (15), Zagreb (<10), Petrinja (<10), Poljana Cicka (<5), and in Glina (<5).
Outside Croatia
Family name Osonički is present in this form only in Croatia.