In Croatia, Tivadar families are almost entirely Croats (from Mursko Sredisce area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Mursko Sredisce area.
Prevalence
About 40 people with faimily name Tivadar live in Croatia today, in 15 households. There were 40 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 6 cities and 9 other places, mostly in Lekenik in Petrinja area (<10), Zagreb (<10), Osijek (<5), Kapelscak in Mursko Sredisce area (<5), and in Cakovec (<5).
Outside Croatia
Family name Tivadar is present in 18 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.