Ilinčić families are mainly Serbs and they are mostly from Vinkovci area , whereas often Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vinkovci area and in Osijek.
Prevalence
About 120 people with faimily name Ilinčić 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 the most of Croatian counties, in 13 cities and 14 other places, mostly in Dalj in Vinkovci area (60), Zagreb (10), Oroslavje (<10), Vukovar (<10), and in Cerna in Zupanja area (<10).
Outside Croatia
Family name Ilinčić (including: Ilincic , Ilinchic ) is present in 16 countries on four continents. The family name "Ilincic " is used by small number of people in Austria , small number in the United States , and small number of people in Italy.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.