In Croatia, Spivak families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 40 people with faimily name Spivak live in Croatia today, in 18 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are located in only five naselja i to in Odranski Obrez (20), Zagreb (<10), Koprivnica (<5), Zadvorsko (<5), and in Brezovica (<5).
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.