Čošić families are Croats and they are mostly from Donji Miholjac. In the past century, relatively most of Croatian residents bearing this family name were born in Donji Miholjac and Osijek.
Prevalence
About 100 people with faimily name Čošić live in Croatia today, in 50 households. There were 180 of them in the middle of the past century, and their number decreased by 40 percent. They are located in the most of Croatian counties, in 15 cities and 11 other places, mostly in Donji Miholjac (20), Zagreb (15), Belisce (15), Koprivnica (10), and in Vrsi (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.