Delonga families are Croats and they are mostly from Sinj. In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and in Sinj area.
Prevalence
About 150 people with faimily name Delonga live in Croatia today, in 80 households. There were 90 of them in the middle of the past century, and their number increased by 60 percent. They are located in the most of Croatian counties, in 16 cities and 9 other places, mostly in Kosute in Sinj area (55), Sinj (30), Zagreb (25), Split (15), and in Daruvar (10).
Outside Croatia
Family name Delonga is present in 8 countries on four continents. The family name "Delonga " is used by some 70 people in the United States and small number in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.
