In Croatia, Steckl families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Steckl live in Croatia today, in one household only. They are located in one Croatian city only, in Osijek (<5).
Outside Croatia
Family name Steckl is present in 21 countries worldwide. The family name "Steckl " is used by some 100 people in Hungary , about 70 in the United States , and small number of people in Colombia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1927 in source Emigration Commission Zagreb.