In Croatia, Erkman families are mainly Croats (from Slavonski Brod area ), less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Glina.
Prevalence
Only a few people with faimily name Erkman live in Croatia today, in five households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in only five Croatian places: in Donji Miholjac (<5), Susnjevci in Slavonski Brod area (<5), Slavonski Brod (<5), Trnjani in Slavonski Brod area (<5), and in Donja Cemernica in Glina area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1926 in source Emigration Commission Zagreb.