In Croatia, Marijanić families are Croats (from the Island of Krk ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and on the Island of Krk.
Prevalence
About 40 people with faimily name Marijanić live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in in 9 Croatian cities and 5 other places, mostly in Rijeka (10), in Krk (10) and Omisalj (<10) on the Island of Krk, Zagreb (<5), and in Karlovac (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1736 in source Catholic Church Parish Records.