In Croatia, Tatomirović families are predominantly Serbs, rarely Croats (from Zupanja area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska area and in Vukovar area. In Opršinac in Nova Gradiska area every fourth inhabitant had the family name Tatomirović.
Prevalence
About 40 people with faimily name Tatomirović live in Croatia today, in 17 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are only located in four Croatian cities and 6 other places, mostly in Trpinja in Vukovar area (15), Strosinci in Zupanja area (15), Vukovar (<5), Bijelo Brdo in Vinkovci area (<5), and in Tovarnik in Ilok area (<5).
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.