In Croatia, Marelj families are mainly Croats (from Novigrad area ), less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Vukovar area. In Sreflije in Bosnian Krajina every eighth inhabitant had the family name Marelj.
Prevalence
About 20 people with faimily name Marelj live in Croatia today, in 14 households. There were 40 of them in the middle of the past century, and their number halved. They are located in 7 Croatian counties and 5 other places, mostly in Zagreb (<10), Sisak (<10), Sesvete (<5), Borovo in Vukovar area (<5), and in Velika Gorica (<5).