Išlić families are Croats and they are mostly from Jastrebarsko. In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Karlovac. In Guci Draganički in Jastrebarsko every fourth inhabitant had the family name Išlić.
Prevalence
About 90 people with faimily name Išlić live in Croatia today, in 40 households. There were 140 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties and 6 other places, mostly in Guci Draganicki (45), Draganic in Karlovac area (<10), Samobor (<5), Zagreb (<5), and in Donja Kupcina in Jastrebarsko area (<5).
Outside Croatia
Family name Išlić is present in four countries on three continents.
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.