In Croatia, Mahler families are Croats (from Varazdin ).
Prevalence
Only a few people with faimily name Mahler live in Croatia today, in three households only. They are located in two Croatian cities only, in Zagreb (<5) and Varazdin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1924 in source Emigration Commission Zagreb.