Brdar families are predominantly Croats and they are mostly from Omis area , less frequently Serbs and Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Western Bosnia (Livno area) and in Rijeka. In Gornji Rujani in Western Bosnia every sixth inhabitant had the family name Brdar.
Prevalence
About 820 people with faimily name Brdar live in Croatia today, in 370 households. There were 700 of them in the middle of the past century, and their number increased by 20 percent. They are located in almost all Croatian counties, in 56 cities and 97 other places, mostly in Zagreb (150), Rijeka (55), Vinkovci (55), Svib in Omis area (45), and in Split (45).
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.