Pekez families are mainly Croats and they are mostly from Bosnian Posavina , often Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Derventa area) and in Bosnian Krajina (Mrkonjic Grad area). In Podrašnica in Bosnian Krajina every fourth inhabitant had the family name Pekez.
Prevalence
About 140 people with faimily name Pekez live in Croatia today, in 60 households. They are located in 10 Croatian counties, in 10 cities and 15 other places, mostly in Slavonski Brod (35), Zagreb (35), Tenja (20), Dugo Selo (10), and in Popovaca in Kutina area (<10).
Outside Croatia
Family name Pekez is present in 16 countries on four continents. The family name "Pekez " is used by small number of people in Austria , small number in the United States , and small number of people in Australia. "Peköz " is used by some 2000 people in Turkey , small number in France , and small number of people in the United States.
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.