In Croatia, Šprajaček families are almost entirely Croats (from Ivanic-Grad area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Ivanic-Grad area and in Zagreb.
Prevalence
About 30 people with faimily name Šprajaček live in Croatia today, in 13 households. They are located in threee Croatian counties, threee cities and threee other places, mostly in Zagreb (15), Prnjarovac (<10), and in Klostar Ivanic (<10), Donja Obreska (<5) and Predavec (<5) in Ivanic-Grad area.
Outside Croatia
Family name Šprajaček is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.