Mađer families are Croats and they are mostly from Jastrebarsko area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Bjelovar.
Prevalence
About 180 people with faimily name Mađer live in Croatia today, in 90 households. There were 310 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 10 Croatian counties, in 16 cities and 29 other places, mostly in Zagreb (25), Lasinja in Jastrebarsko area (20), Koprivnica (15), Domankus in Bjelovar area (10), and in Sesvete (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.