In Croatia, Marcaš families are Croats by relative majority, equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin area.
Prevalence
Only a few people with faimily name Marcaš live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in only one small Croatian place, in Bartolovec in Varazdin area (<5).
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.