Kajić families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Zavidovici area) and in Middle Bosnia (Zenica area). In places Lisovo , Bugojčići and Donji Lug in Middle Bosnia every third inhabitant had the family name Kajić.
Prevalence
About 500 people with faimily name Kajić live in Croatia today, in 210 households. There were 30 of them in the middle of the past century, and their number multiplied. They are located in almost all Croatian counties, in 52 cities and 75 other places, mostly in Zagreb (75), Sesvete (35), Knin (25), Rijeka (20), and in Zadar (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1749 in source 18th Century Census.