In Croatia, Brajnić families are Croats (from Ivanic-Grad area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ivanic-Grad area and in Bjelovar.
Prevalence
About 10 people with faimily name Brajnić live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Zagreb (<5), Bjelovar (<5), Ivanic-Grad (<5), and in Novoselec (<5) and Okesinec (<5) in Ivanic-Grad area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.