In Croatia, Mirnić families are mainly Serbs, less frequently Croats (from the Island of Vis ), and very rarely Slovaks (from Bosnian Krajina ). In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and Rijeka.
Prevalence
About 20 people with faimily name Mirnić live in Croatia today, in 7 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located and threee other Croatian places, mostly in Split (<10), Kosi in Rijeka area (<10), Vukovar (<5), Sisak (<5), and in Zrnovnica (<5).