In Croatia, Mrahunec families are Croats (from Cazma area ). In the past century, relatively most of Croatian residents bearing this family name were born in Cazma area and in Zagreb. In Šimljanik in Cazma area every twentieth inhabitant had the family name Mrahunec.
Prevalence
Only a few people with faimily name Mrahunec live in Croatia today, in two households only. There were 60 of them in the middle of the past century, and their number decreased significantly. They are located in only four Croatian places: in Donji Miklous (<5), Zagreb (<5), and in Simljana (<5) and Simljanik (<5) in Cazma area.
Outside Croatia
Family name Mrahunec is present in two countries on two continents. The family name "Mrahunec " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.