Tivanovac families are Croats and they are mostly from Donji Miholjac area. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Donji Miholjac area.
Prevalence
About 120 people with faimily name Tivanovac live in Croatia today, in 40 households. They are only located in in 9 Croatian cities and 14 other places, mostly in Valpovo (25), Sljivosevci in Donji Miholjac area (15), Belisce (10), Magadenovac in Donji Miholjac area (10), and in Osijek (10).
Outside Croatia
Family name Tivanovac is present in two countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.