Šuflaj families are Croats and they are mostly from Samobor. In the past century, relatively most of Croatian residents bearing this family name were born in Samobor and in Slovenia. In Otruševec in Samobor every eighth inhabitant had the family name Šuflaj.
Prevalence
About 110 people with faimily name Šuflaj live in Croatia today, in 40 households. There were 110 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 9 cities and 14 other places, mostly in Samobor (25), Bregana (15), Zagreb (15), Otrusevec (10), and in Ivanska in Bjelovar area (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.