Senjić families are Croats and they are mostly from Bosnian Posavina. In the past century, relatively most of Croatian residents bearing this family name were born in Bosanian Posavina (Brcko area) and in Bosanian Posavina (Bosanska Gradiska area).
Prevalence
About 100 people with faimily name Senjić live in Croatia today, in 50 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 10 Croatian counties, in 14 cities and 18 other places, mostly in Slavonski Brod (15), Zagreb (15), Sesvete (<10), Osijek (<10), and in Lucko (<10).
Outside Croatia
Family name Senjić (including: Senjic , Seniic ) is present in four countries on three continents. The family name "Senjic " is used by small number of 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 2007 in source Encyclopaedia of Croatian Surnames.