Pepić families are almost entirely Croats and they are mostly from Valpova , rarely Serbs and Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Gradacac area) and in Bosanian Posavina (Bosanski Samac area).
Prevalence
About 240 people with faimily name Pepić live in Croatia today, in 100 households. There were 90 of them in the middle of the past century, and their number more than doubled. They are located in the most of Croatian counties, in 24 cities and 27 other places, mostly in Valpovo (40), Zagreb (30), Osijek (30), Zupanja (15), and in Rijeka (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.