Muselin families are often Croats and they are mostly from Trogir area , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Trogir area and in Zagreb.
Prevalence
About 100 people with faimily name Muselin live in Croatia today, in 50 households. There were 150 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 10 Croatian counties, in 10 cities and 16 other places, mostly in Zagreb (30), Ljubitovica in Trogir area (15), Kastel Stari (10), Palancani (10), and in Osijek (<10).
Outside Croatia
Family name Muselin is present in 11 countries worldwide. The family name "Muselin " is used by small number of people in the United States , small number in Romania , and small number of people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.