Sočo families are Croats and they are mostly from Imotski area. In the past century, relatively most of Croatian residents bearing this family name were born in Imotski area and in Split.
Prevalence
About 150 people with faimily name Sočo live in Croatia today, in 50 households. There were 80 of them in the middle of the past century, and their number increased by 90 percent. They are only located in in 9 Croatian cities and 11 other places, mostly in Imotski (35), Split (25), Neoric in Sinj area (25), Zagreb (20), and in Stobrec (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.