Mrkalj families are mainly Croats and they are mostly from Bosnian Posavina , but often Serbs very rarely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko area and in Bosanian Posavina (Bosanski Brod area). In Sjeničak Lasinjski in Jastrebarsko area every seventh inhabitant had the family name Mrkalj.
Prevalence
About 170 people with faimily name Mrkalj live in Croatia today, in 90 households. There were 360 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 19 cities and 17 other places, mostly in Karlovac (30), Slavonski Brod (25), Zbjeg in Pleternica area (15), Sjenicak Lasinjski in Jastrebarsko area (15), and in Pula (<10).
Outside Croatia
Family name Mrkalj (including: Merkali , Mrkali ) is present in 13 countries on four continents. The family name "Mrkalj " is used by some 50 people in Canada and small number in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.