In Croatia, Pem families are Croats (from Jastrebarsko area ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko area and in Zagreb.
Prevalence
About 20 people with faimily name Pem live in Croatia today, in 14 households. There were 20 of them in the middle of the past century, and their number remains constant. They are only located in threee Croatian cities and four other places, mostly in Zagreb (10), in Sveti Kriz Zacretje (<5) and Vrankovec (<5) in Zabok area, Dol in Jastrebarsko area (<5), and in Garesnica (<5).
Outside Croatia
Family name Pem (including: Pém , Pehm and Phem ) is present in 42 countries worldwide. "Pehm " is used by small number of people in the United States , small number in Austria , and small number of people in Australia. "Phem " is used by 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 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.