In Croatia, Debeuc families are Croats (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and Zagreb.
Prevalence
About 30 people with faimily name Debeuc live in Croatia today, in 14 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in four Croatian counties, four cities and two other places, mostly in Rijeka (20), Zagreb (<10), in Jurdani (<10) and Jusici (<5) in Opatija area, and in Pula (<5).
Outside Croatia
Family name Debeuc (including: Debeuz , Debeuec ) is present in 6 countries on four continents. "Debeuec " is used by few people in the United States.