In Croatia, Bocka families are mainly Hungarians (from Osijek area ), less frequently Croats (also from Osijek area ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Osijek area.
Prevalence
About 70 people with faimily name Bocka live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 20 percent. They are located in threee Croatian counties, four cities and 6 other places, mostly in Laslovo in Osijek area (20), Osijek (15), Vukovar (10), Visnjevac (<10), and in Cernik in Rijeka area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1923 in source Emigration Commission Zagreb.