In Croatia, Mavretić families are generally Croats (from Ozalj ), barely Slovaks (from Osijek ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj and Karlovac.
Prevalence
About 40 people with faimily name Mavretić live in Croatia today, in 19 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located and 5 other Croatian places, mostly in Karlovac (10), Zagreb (<10), Osijek (<10), Vivodina (<5), and in Sesvete (<5).
Outside Croatia
Family name Mavretić is present in 7 countries on three continents. The family name "Mavretic " is used by some 90 people in France , about 80 in the United States , and small number of people in Canada.
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.