In Croatia, Koršoš families are predominantly Croats (from Beli Manastir area ), rarely Hungarians (from Ilok area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Beli Manastir area.
Prevalence
About 30 people with faimily name Koršoš live in Croatia today, in 17 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and threee other places, mostly in Rijeka (<10), Petlovac in Beli Manastir area (<10), Zagreb (<10), Vukovar (<10), and in Osijek (<5).