1) English girl name 
Janessa is an American name for girls. The meaning is `God is gracious` The name Janessa is most commonly given to American girls. What do they use in other countries? Janis (English) Janiek (Dutch) Jannis Jennis Jency The name sounds like: Janeesa, Janessia, Janess, Jinessa, Jonessa See also: Janice, Jenessa