In Croatia, Macun families are Croats (from Porec ).
Prevalence
Only a few people with faimily name Macun live in Croatia today, in one household only. They are located in only one small Croatian place, in Antonci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1933 in source Emigration Commission Zagreb.