In Croatia, Jaklenović families are Croats (from Bjelovar ). In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Split.
Prevalence
About 20 people with faimily name Jaklenović live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Rajic (<10), Bjelovar (<5), Velika Pisanica in Grubisno Polje area (<5), Split (<5), and in Kastel Stafilic (<5).
Outside Croatia
Family name Jaklenović 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.