Jandrlić families are Croats and they are mostly from Ogulin area. In the past century, relatively most of Croatian residents bearing this family name were born in Ogulin area and in Ogulin. In Modruš in Ogulin area every ninth inhabitant had the family name Jandrlić.
Prevalence
About 100 people with faimily name Jandrlić live in Croatia today, in 50 households. There were 130 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 9 Croatian counties, in 15 cities and 9 other places, mostly in Modrus in Ogulin area (30), Zagreb (20), Krizevci (<10), Duga Resa (<10), and in Ruscica in Slavonski Brod area (<10).
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.