Keko families are Croats and they are mostly from the Island of Rab. In the past century, relatively most of Croatian residents bearing this family name were born on the Island of Rab and in Rijeka.
Prevalence
About 70 people with faimily name Keko live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, threee cities and 10 other places, mostly in Barbat na Rabu (30) and Banjol (25) on the Island of Rab, Rijeka (<10), Zagreb (<5), and in Palit on the Island of Rab (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.