In Croatia, Jakov families are Croats (from Duga Resa area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj.
Prevalence
About 10 people with faimily name Jakov live in Croatia today, in three households only. There were 40 of them in the middle of the past century, and their number decreased significantly. They are located in 7 Croatian counties, in 6 cities and four other places, mostly in Carevo Selo in Duga Resa area (<10), Trg (<5), Zagreb (<5), Osijek (<5), and in Slavonski Brod (<5).
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.