In Croatia, Kozic families are generally Croats (from Osijek area ), very rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Orahovica area. In Golenić in Slatina every sixtieth inhabitant had the family name Kozic.
Prevalence
About 20 people with faimily name Kozic live in Croatia today, in 8 households. They are located in 6 Croatian counties, in 6 cities and four other places, mostly in Antunovac in Osijek area (<10), Zagreb (<5), Slavonski Brod (<5), Slatina (<5), and in Cepin in Osijek area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.