In Croatia, Ivša families are Croats (from Sveti Ivan Zelina ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci area and in Sveti Ivan Zelina.
Prevalence
About 40 people with faimily name Ivša live in Croatia today, in 13 households. There were 50 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, threee cities and 6 other places, mostly in Sesvete (<10), Polonje (<10), Novo Mjesto (<10), Prigorje Brdovecko in Zapresic area (<10), and in Sveti Ivan Zelina (<10).
Outside Croatia
Family name Ivša is present in this form only in Croatia.