Kojić families are mainly Croats and they are mostly from Nin , often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and in Middle Bosnia (Vares area). In Čaprginci in Nova Gradiska area every fourth inhabitant had the family name Kojić.
Prevalence
About 510 people with faimily name Kojić live in Croatia today, in 240 households. There were 420 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 47 cities and 56 other places, mostly in Zagreb (60), Vukovar (30), Poljica (25), Osijek (25), and in Rijeka (25).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.