Markus families are Croats and they are mostly from Oroslavje area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Oroslavje area. In Strmec Stubički in Oroslavje area every thirtieth inhabitant had the family name Markus.
Prevalence
About 130 people with faimily name Markus live in Croatia today, in 60 households. There were 250 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 15 cities and 14 other places, mostly in Zagreb (45), Strmec Stubicki in Oroslavje area (20), Donji Miholjac (15), Stubicke Toplice in Oroslavje area (<10), and in Klostar Ivanic in Ivanic-Grad area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.