In Croatia, Sinovec families are Croats (from Lepoglava area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Lepoglava area.
Prevalence
About 40 people with faimily name Sinovec live in Croatia today, in 20 households. There were 60 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties, two cities and four other places, mostly in Zagreb (20), Purga Bednjanska in Lepoglava area (10), Koprivnica (<10), Sesvete (<5), and in Kupinecki Kraljevec (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.