In Croatia, Senčić families are generally Croats (from Opatija area ), very rarely Italians (also from Opatija area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci and Rijeka.
Prevalence
About 70 people with faimily name Senčić live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, in 7 cities and 6 other places, mostly in Vinkovci (30), Moscenicka Draga in Opatija area (20), Cres on the Island of Cres (15), Mirkovci (<5), and in Rijeka (<5).
Outside Croatia
Family name Senčić (including: Sencic , Sencich ) is present in 8 countries on two continents. "Sencich " is used by small number of 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.