In Croatia, Marušič families are Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Slovenia.
Prevalence
Only a few people with faimily name Marušič live in Croatia today, in one household only. They are located in one Croatian city only, in Umag (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over eighty times, the first time 1842 in source Catholic Church Parish Records 1842.