Starešinčić families are Croats and they are mostly from Ozalj. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Ozalj.
Prevalence
About 110 people with faimily name Starešinčić live in Croatia today, in 40 households. There were 130 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in in 6 Croatian cities and 11 other places, mostly in Mahicno (25), Podbrezje (25), Karlovac (20), Zagreb (15), and in Velika Gorica (<10).
Outside Croatia
Family name Starešinčić is present in this form only in Croatia.
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.