Dvornić families are predominantly Serbs and they are mostly from Beli Manastir area , less frequently Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Beli Manastir area and in Osijek.
Prevalence
About 80 people with faimily name Dvornić live in Croatia today, in 40 households. There were 200 of them in the middle of the past century, and their number decreased significantly. They are located and 9 other Croatian places, mostly in Beli Manastir (30), in Popovac (20) and Jagodnjak (10) in Beli Manastir area, Osijek (<10), and in Knezevi Vinogradi in Beli Manastir area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.