In Croatia, Baller families are Croats (from Pleternica ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pleternica.
Prevalence
Only a few people with faimily name Baller live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in two Croatian cities only, in Petrinja (<5) and Zagreb (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1928 in source Emigration Commission Zagreb.