In Croatia, Siromašić families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Zagreb.
Prevalence
About 20 people with faimily name Siromašić live in Croatia today, in 8 households. There were 30 of them in the middle of the past century, and their number decreased by 40 percent. They are located in only five naselja i to in Brebrovac (10), Jastrebarsko (<5), Ceglje (<5), Zagreb (<5), and in Domagovic (<5).
Outside Croatia
Family name Siromašić is present in three countries on two continents.