In Croatia, Mučan families are generally Croats (from Vrbovec area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec area and in Bjelovar. In Gornji Vukšinac in Vrbovec area every sixth inhabitant had the family name Mučan.
Prevalence
About 20 people with faimily name Mučan live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Zagreb (<10), Gornji Vuksinac in Vrbovec area (<5), Sesvete (<5), Dubrava in Vrbovec area (<5), and in Crna Mlaka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.