In Croatia, Kasser families are Croats (from Bjelovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar.
Prevalence
Only a few people with faimily name Kasser live in Croatia today, in two households only. They are located in two Croatian cities only, in Zagreb (<5) and Osijek (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1931 in source Emigration Commission Zagreb.