Hajnić families are Croats and they are mostly from Zlatar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zlatar area.
Prevalence
About 150 people with faimily name Hajnić live in Croatia today, in 60 households. There were 100 of them in the middle of the past century, and their number increased by 50 percent. They are located in 9 Croatian counties, in 8 cities and 14 other places, mostly in Zagreb (70), Tugonica in Zlatar area (25), Zlatar-Bistrica in Oroslavje area (15), Bedekovcina in Lepoglava area (10), and in Podgradje in Zlatar area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.