In Croatia, Isović families are generally Croats (from Slavonski Brod area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Makarska and Slavonski Brod.
Prevalence
About 20 people with faimily name Isović live in Croatia today, in 7 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, threee cities and four other places, mostly in Makarska (<5), Bukovlje in Slavonski Brod area (<5), Dubrovnik (<5), Musalez (<5), and in Mokosica (<5).