Ćukušić families are Croats and they are mostly from Sinj area. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Sinj area. In Ercegovci in Sinj area every third inhabitant had the family name Ćukušić.
Prevalence
About 180 people with faimily name Ćukušić live in Croatia today, in 90 households. There were 20 of them in the middle of the past century, and their number multiplied. They are located in 9 Croatian counties, in 14 cities and 10 other places, mostly in Split (95), Ercegovci in Sinj area (25), Solin (20), Slavonski Brod (20), and in Brnaze (<10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Ćukušić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.