Margaretić families are Croats and they are mostly from Dubrovnik. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Osijek.
Prevalence
About 150 people with faimily name Margaretić live in Croatia today, in 60 households. There were 140 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 9 cities and 14 other places, mostly in Dubrovnik (45), Gromaca (30), Orasac (25), Osijek (10), and in Mokosica (10).
Outside Croatia
At least five families with this surname emigrated from Croatia to the United States (4) and Germany (1). Family name Margaretić is present in 7 countries on four continents. The family name "Margaretic " is used by small number of people in the United States , small number in Australia , and small number of people in Argentina.
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.