In Croatia, Mađerčić families are mainly Croats (from Virovitica ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Duga Resa area and in Virovitica. In Živković Kosa in Duga Resa area every sixth inhabitant had the family name Mađerčić.
Prevalence
About 60 people with faimily name Mađerčić live in Croatia today, in 20 households. There were 110 of them in the middle of the past century, and their number halved. They are located in 8 Croatian counties, in 6 cities and 10 other places, mostly in Zagreb (15), Kljucar in Duga Resa area (15), Virovitica (<10), Zivkovic Kosa in Duga Resa area (<10), and in Spisic Bukovica in Virovitica area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.