In Croatia, Kirsch families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Zagreb.
Prevalence
About 10 people with faimily name Kirsch live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only four naselja i to in Zagreb (<10), Osijek (<10), Slavonski Brod (<5), and in Njivice on the Island of Krk (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.