Rošić families are often Croats and they are mostly from the Island of Krk. According to some sources they are from Domaljevac in Bosnia, less frequently Bosniaks (Cazinska Krajina, Bosnia). In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Brcko area) and in Rijeka.
Prevalence
About 300 people with faimily name Rošić live in Croatia today, in 130 households. There were 130 of them in the middle of the past century, and their number more than doubled. They are located in the most of Croatian counties, in 29 cities and 40 other places, mostly in Zagreb (35), Rijeka (35), Zupanja (15), Stitar (15), and in Split (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over fifty times, the first time 1750 in source 18th Century Census.