Hanan is a name of Semitic origin. In Hebrew it is a masculine name, of the meaning "gracious", "gracious gift"or "grace". In Arabic it means "compassion". The name John is speculated to derive, via Latin and Greek, from the Hebrew name Yehohanan or Yohanan meaning "Yahweh is gracious".
The name Hannah is a Hebrew baby name. In Hebrew the meaning of the name Hannah is: Favor; grace. Biblical mother of the prophet Samuel.