Brašnić families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Bosanski Samac area) and in Bosanian Posavina (Orasje area).
Prevalence
About 130 people with faimily name Brašnić live in Croatia today, in 60 households. There were 20 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 21 cities and 16 other places, mostly in Rijeka (30), Zagreb (25), Zupanja (15), Osijek (10), and in Slavonski Brod (<10).
Outside Croatia
Family name Brašnić (including: Brasnic , Brasnick ) is present in 9 countries on two continents. "Brasnick " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.
