Dekanić families are Croats and they are mostly from Vinkovci area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Vinkovci area. In Kerestinec in Samobor area every seventh inhabitant had the family name Dekanić.
Prevalence
About 390 people with faimily name Dekanić live in Croatia today, in 160 households. There were 440 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 10 Croatian counties, in 14 cities and 31 other places, mostly in Zagreb (125), Rokovci in Vinkovci area (65), Rijeka (25), Andrijasevci in Vinkovci area (20), and in Bregana (15).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.