Mulc families are Croats the family name originates from Delnice area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Slavonski Brod.
Prevalence
About 110 people with faimily name Mulc live in Croatia today, in 40 households. There were 120 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 7 Croatian counties, in 11 cities and 8 other places, mostly in Delnice (20), Zagreb (15), Skrad in Delnice area (15), Batrina in Pozega area (10), and in Sisak (<10).
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.