Jelečki families are Croats and they are mostly from Zlatar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zlatar area and in Zagreb.
Prevalence
About 110 people with faimily name Jelečki live in Croatia today, in 40 households. There were 100 of them in the middle of the past century, and their number increased by 0 percent. They are located in 7 Croatian counties, in 9 cities and 16 other places, mostly in Sesvete (20), Djurinovec in Novi Marof area (15), Oresac in Virovitica area (10), Globocec in Zlatar area (<10), and in Dugo Selo (<10).
Outside Croatia
Family name Jelečki is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.