In Croatia, Muler families are generally Croats (from Pozega area ), very rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Pozega and Zagreb.
Prevalence
About 10 people with faimily name Muler live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number halved. They are located in only five naselja i to in Bertelovci in Pozega area (<10), Varazdin (<10), Zagreb (<5), Pozega (<5), and in Satnica Djakovacka in Djakovo area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.