Pejin families are often Croats and they are mostly from Donji Miholjac , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Donji Miholjac and Osijek.
Prevalence
About 70 people with faimily name Pejin live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number decreased by 0 percent. They are located in 8 Croatian counties, in 8 cities and 10 other places, mostly in Podgajci Podravski (30), Osijek (20), Brsadin in Vukovar area (<10), Sveti Djuradj (<10), and in Rijeka (<5).
Outside Croatia
Family name Pejin (including: Peedin , Peyin and Peiin ) is present in 18 countries worldwide. The family name "Pejin " is used by small number of people in Germany , small number in the United States , and small number of people in France. "Peedin " is used by some 500 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.