In Croatia, Tančik families are generally Croats (from Djakovo ), very rarely Hungarians (also from Djakovo ), and barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo and Osijek.
Prevalence
About 40 people with faimily name Tančik live in Croatia today, in 18 households. There were 20 of them in the middle of the past century, and their number doubled. They are only located in four Croatian cities and 5 other places, mostly in Selci Djakovacki (15), Vinkovci (<10), Djakovo (<10), Cepin in Osijek area (<10), and in Gornji Stupnik in Samobor area (<5).
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.