In Croatia, Sok families are Croats (from Samobor ). In the past century, relatively most of Croatian residents bearing this family name were born in Samobor.
Prevalence
About 10 people with faimily name Sok live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties and another small place , mostly in Zagreb (<5), Sveti Martin Pod Okicem (<5), Podgradje Podokicko (<5), Rijeka (<5), and in Vinkovci (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.