Soko families are Croats and they are mostly from east Herzegovina. In the past century, relatively most of Croatian residents bearing this family name were born in East Herzegovina (Trebinje area) and in Dubrovnik. In places Rupni Do , Trnčina and Velja Međa in East Herzegovina every ninth inhabitant had the family name Soko.
Prevalence
About 110 people with faimily name Soko live in Croatia today, in 40 households. There were 40 of them in the middle of the past century, and their number more than doubled. They are located in four Croatian counties, in 6 cities and 7 other places, mostly in Dubrovnik (50), Nova Mokosica (15), Mokosica (10), Zagreb (10), and in Split (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.