Jaman families are Croats and they are mostly from middle Bosnia. In the past century, relatively most of Croatian residents bearing this family name were born in Split and in Middle Bosnia (Kupres area).
Prevalence
About 300 people with faimily name Jaman live in Croatia today, in 120 households. There were 190 of them in the middle of the past century, and their number increased by 60 percent. They are located in 10 Croatian counties, in 17 cities and 21 other places, mostly in Djakovo (50), Split (35), Solin (25), Klis in Solin area (25), and in Stari Mikanovci in Djakovo area (20).
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.