In Croatia, Košenina families are predominantly Croats (from Rovinj area ), rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Porec and in Slovenia. In Dračevac in Porec every fourtieth inhabitant had the family name Košenina.
Prevalence
About 10 people with faimily name Košenina live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Vrsar in Rovinj area (<10) and Gornja Plemenscina (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.