Bilosnić families are Croats and they are mostly from Zadar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and in Zadar area.
Prevalence
About 90 people with faimily name Bilosnić live in Croatia today, in 40 households. There were 40 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, four cities and threee other places, mostly in Zadar (45), in Zemunik Donji (30) and Sukosan (<10) in Zadar area, Zagreb (<5), and in Rijeka (<5).
Outside Croatia
Family name Bilosnić is present in three countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.