In Croatia, Siler families are predominantly Croats (from Osijek area ), rarely Hungarians (also from Osijek area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek area and in Osijek.
Prevalence
About 20 people with faimily name Siler live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Bilje in Osijek area (15).
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.