Dadić families are almost entirely Croats and they are mostly from Sinj area , rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Middle Bosnia (Tesanj area). In Velika Milešina in Sinj area every third inhabitant had the family name Dadić.
Prevalence
About 1200 people with faimily name Dadić live in Croatia today, in 490 households. There were 710 of them in the middle of the past century, and their number increased by 70 percent. They are located in almost all Croatian counties, in 52 cities and 90 other places, mostly in Split (360), Zagreb (145), Zadar (60), Dubrovnik (55), and in Solin (45).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1825 in source Catholic Church Parish Records.