In Croatia, Dekan families are Croats (from Beli Manastir ). In the past century, relatively most of Croatian residents bearing this family name were born in Backa, Vojvodina and in Slavonski Brod.
Prevalence
About 20 people with faimily name Dekan live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in 9 Croatian counties, in 9 cities and another small place , mostly in Slavonski Brod (<5), Beli Manastir (<5), Donja Stubica (<5), Osijek (<5), and in Vukovar (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.