In Croatia, Šešuk families are Croats (from Oroslavje area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Oroslavje area.
Prevalence
About 20 people with faimily name Šešuk live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only four naselja i to in Djakovo (<10), Zagreb (<10), and in Poljanica Bistranska (<5) and Donja Bistra (<5) in Oroslavje area.
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.