Sestrić families are Croats and they are mostly from Duga Resa. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Duga Resa. In Dvorjanci in Duga Resa every fourth inhabitant had the family name Sestrić.
Prevalence
About 130 people with faimily name Sestrić live in Croatia today, in 60 households. There were 140 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 11 cities and 14 other places, mostly in Dvorjanci (25), Zagreb (25), Draganic in Karlovac area (20), Sirac in Daruvar area (20), and in Duga Resa (10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.