Male name Ivan was made out of hebrew name Ioánnos, which is derivated out of heb. Jahwe, Jechova = God, or merciful God, God had mercy and God is merciful. Name Ivan and Ján have the same meaning but with time it started to differ. In old Slavic language there were forms of this name like Ioan, Ioann. The forms of name Ivan which appear in other countries are Ewan, Evan, Eoghan... John, Johan, Giovani, in English it is Ivo, French Yves. Female form of this name is Ivana which appeared later. In Serbia the name Ivan is very frequently used.

Ivan Križan (biography)