In Croatia, Sič families are Croats by relative majority (from Beli Manastir area ), rarely Hungarians (from Osijek area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Backa, Vojvodina and in Vukovar.
Prevalence
About 70 people with faimily name Sič live in Croatia today, in 40 households. There were 80 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 9 Croatian counties, in 11 cities and 13 other places, mostly in Vukovar (20), Osijek (<10), Zadar (<10), Beli Manastir (<10), and in Ilok (<10).
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.