In Croatia, Ćošić families are Croats (from Nin ). In the past century, relatively most of Croatian residents bearing this family name were born in Nin and Zadar.
Prevalence
About 40 people with faimily name Ćošić live in Croatia today, in 20 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in 8 Croatian counties, in 11 cities and threee other places, mostly in Vrsi (15), Zadar (<5), Valpovo (<5), Zagreb (<5), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.