Blaić families are Croats and they are mostly from Knin area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Knin area.
Prevalence
About 130 people with faimily name Blaić live in Croatia today, in 60 households. There were 50 of them in the middle of the past century, and their number more than doubled. They are located in 8 Croatian counties, in 12 cities and four other places, mostly in Zagreb (85), Sibenik (20), Zadar (15), Rupe (<10), and in Sesvete (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1928 in source Emigration Commission Zagreb.