In Croatia, Kirša families are Croats (from Vrbovec ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Vrbovec.
Prevalence
About 40 people with faimily name Kirša live in Croatia today, in 15 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in four Croatian counties, four cities and 5 other places, mostly in Zagreb (20), Zabrdje in Vrbovec area (<10), Vrbovec (<10), Kutina (<10), and in Gaj (<10).