Pejnović families are often Croats and they are mostly from Gospic , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Gospic. In Klenovac in Gospic area every seventh inhabitant had the family name Pejnović.
Prevalence
About 400 people with faimily name Pejnović live in Croatia today, in 200 households. There were 530 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 36 cities and 29 other places, mostly in Zagreb (110), Gospic (45), Sisak (20), Slavonski Brod (20), and in Rijeka (15). They were recorded in Middle Bosnia near Žepče.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.