In Croatia, Umljenović families are mainly Croats (from Nova Gradiska ), less frequently Serbs, and very rarely Czechs (also from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nova Gradiska and Petrinja.
Prevalence
About 30 people with faimily name Umljenović live in Croatia today, in 19 households. There were 90 of them in the middle of the past century, and their number decreased significantly. They are located in 6 Croatian counties, in 7 cities and threee other places, mostly in Nova Gradiska (<10), Slavonski Kobas in Pleternica area (<10), Zagreb (<10), Sisak (<10), and in Vukovar (<5).
Outside Croatia
Family name Umljenović is present in two countries.
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.