In Croatia, Tutnjević families are generally Croats (from Nasice ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Nasice and Osijek. In Cvrtkovci in Doboj area, BiH every third inhabitant had the family name Tutnjević.
Prevalence
About 40 people with faimily name Tutnjević live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 7 cities and 7 other places, mostly in Osijek (10), Londzica (<10), Donje Brezno in Pregrada area (<10), Pula (<5), and in Nasice (<5).
Outside Croatia
Family name Tutnjević is present in 6 countries on two continents. The family name "Tutnjevic " 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.