In Croatia, Kirch families are Croats (from Backa, Vojvodina ). In the past century, relatively most of Croatian residents bearing this family name were born in Backa, Vojvodina.
Prevalence
Only a few people with faimily name Kirch live in Croatia today, in two households only. They are located in only threee Croatian places: in Osijek (<5), Sukosan in Zadar area (<5), and in Podolje in Beli Manastir area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.