Pajnić families are Croats and they are mostly from Cabar. In the past century, relatively most of Croatian residents bearing this family name were born in Cabar and Zagreb.
Prevalence
About 210 people with faimily name Pajnić live in Croatia today, in 110 households. There were 260 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 14 cities and 40 other places, mostly in Zagreb (40), Gerovo (25), Koska in Nasice area (10), Rijeka (10), and in Koprivnica (<10).
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.