Kupina families are Croats and they are mostly from Jastrebarsko. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Zagreb. In Toplice in Jastrebarsko every third inhabitant had the family name Kupina.
Prevalence
About 110 people with faimily name Kupina live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number increased by 20 percent. They are located in 7 Croatian counties, in 6 cities and 19 other places, mostly in Toplice (30), Zagreb (20), Novaki Petrovinski (10), Novi Ceminac in Beli Manastir area (<10), and in Jastrebarsko (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.