In Croatia, Delost families are almost entirely Croats (from Vrbovsko ), very rarely Italians (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovsko and Rijeka. In Stubica in Vrbovsko every third inhabitant had the family name Delost.
Prevalence
About 40 people with faimily name Delost live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 30 percent. They are located in threee Croatian counties and 8 other places, mostly in Stubica (<10), Vrbovsko (<10), Rijeka (<10), Slakovec in Cakovec area (<10), and in Ogulin (<5).
Outside Croatia
Family name Delost is present in 10 countries worldwide. The family name "Delost " is used by some 200 people in the United States , about 100 in France , and small number of people in Argentina.