Lađević families are often Serbs and they are mostly from Hrvatska Kostajnica area , less frequently Croats. In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and in Hrvatska Kostajnica area. In Volinja in Hrvatska Kostajnica area every sixth inhabitant had the family name Lađević.
Prevalence
About 70 people with faimily name Lađević live in Croatia today, in 40 households. There were 140 of them in the middle of the past century, and their number halved. They are located in the most of Croatian counties, in 14 cities and 14 other places, mostly in Sisak (20), Volinja in Hrvatska Kostajnica area (<10), Zagreb (<10), Petrinja (<10), and in Drljaca in Hrvatska Kostajnica area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.