In Croatia, Čačinović families are almost entirely Croats (from Orahovica ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Orahovica and Nasice.
Prevalence
About 50 people with faimily name Čačinović live in Croatia today, in 16 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located and four other Croatian places, mostly in Nova Josava (20), Zagreb (<10), Dolci (<10), Stara Josava (<10), and in Pula (<5).
Outside Croatia
Family name Čačinović is present in two countries on two continents. The family name "Cacinovic " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.