In Croatia, Osić families are predominantly Croats (from Petrinja ), very rarely Serbs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Petrinja and Umag.
Prevalence
About 10 people with faimily name Osić live in Croatia today, in 7 households. There were 20 of them in the middle of the past century, and their number halved. They are located in two Croatian counties, threee cities and threee other places, mostly in Petrinja (<10), Basanija (<5), Sisak (<5), Odra Sisacka (<5), and in Hrvatski Cuntic (<5).
