In Croatia, Mrđić families are predominantly Serbs, rarely Croats (from Sibenik area ). In the past century, relatively most of Croatian residents bearing this family name were born in Skradin and Sibenik.
Prevalence
About 10 people with faimily name Mrđić live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number halved. They are located in only threee naselja i to in Plastovo (10), Primosten in Sibenik area (<5), and in Skradin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.