In Croatia, Muskardin families are Croats (from the Island of Losinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
About 10 people with faimily name Muskardin live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number halved. They are located in two Croatian cities only, in Rijeka (<5) and Mali Losinj on the Island of Losinj (<5).
Outside Croatia
Family name Muskardin is present in 11 countries worldwide. The family name "Muskardin " is used by small number of people in the United States , small number in Italy , and small number of people in Germany. "Muscardin " is used by some 60 people in South Africa , small number in the United States , and small number of people in Italy.
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.