Katarinčić families are Croats and they are mostly from Cabar. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb. In Salež in Buzet every fourth inhabitant had the family name Katarinčić.
Prevalence
About 90 people with faimily name Katarinčić live in Croatia today, in 30 households. There were 130 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 9 cities and 14 other places, mostly in Labinci in Novigrad area (10), Rijeka (<10), Buzet (<10), Misinci in Ozalj area (<10), and in Zagreb (<10).
Outside Croatia
Family name Katarinčić is present in five countries on two continents. The family name "Katarincic " is used by some 90 people in the United States and small number in Canada.
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.