Mrvčić families are Croats and they are mostly from Opatija area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Varazdin area. In Kapela Kalnička in Varazdin area every seventh inhabitant had the family name Mrvčić.
Prevalence
About 240 people with faimily name Mrvčić live in Croatia today, in 100 households. There were 280 of them in the middle of the past century, and their number decreased by 10 percent. They are located in the most of Croatian counties, in 18 cities and 31 other places, mostly in Studena in Opatija area (45), Krizevci (20), Zagreb (15), Kapela Kalnicka in Varazdin area (10), and in Vojnovec Kalnicki in Varazdinske Toplice area (10).
Outside Croatia
Family name Mrvčić (including: Mrvcic , Mervcich and Mrvcich ) is present in four countries on two continents.
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.