Mrkić families are predominantly Croats and they are mostly from Biograd na Moru , a often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Tuzla Region, Bosnia (Tuzla area). In Brebornica in Duga Resa area every third inhabitant had the family name Mrkić.
Prevalence
About 430 people with faimily name Mrkić live in Croatia today, in 190 households. There were 370 of them in the middle of the past century, and their number increased by 20 percent. They are located in the most of Croatian counties, in 29 cities and 34 other places, mostly in Zadar (120), Biograd na moru (45), Zagreb (35), Rijeka (25), and in Karlovac (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.