In Croatia, Dorušić families are Croats (from Ilok ). In the past century, relatively most of Croatian residents bearing this family name were born in Ilok and Zagreb.
Prevalence
About 10 people with faimily name Dorušić live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in three Croatian cities only: in Zagreb (<5), Varazdin (<5), and in Kosljun on the Island of Pag (<5).