In Croatia, Tiborc families are Croats (from Djakovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo area and in Djakovo.
Prevalence
About 20 people with faimily name Tiborc live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Zagreb (<10), Djakovo (<5), Pridvorje in Djakovo area (<5), Osijek (<5), and in Knezevi Vinogradi in Beli Manastir area (<5).
Outside Croatia
Family name Tiborc (including: Tiborcz , Tibortz ) is present in 10 countries on four continents. "Tibortz " is used by few people in the United States.
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.