In Croatia, Mašće families are Croats (from Trogir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Trogir and in Trogir area.
Prevalence
About 40 people with faimily name Mašće live in Croatia today, in 16 households. There were 30 of them in the middle of the past century, and their number increased by 40 percent. They are located in only five naselja i to in Trogir (15), Seget Donji in Trogir area (10), Mali Losinj on the Island of Losinj (<10), Split (<10), and in Seget Vranjica in Trogir area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over fifty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.