Hi Lissa!Evanna/Evania/Evann/Evanne/Evany/Eveania/Evyan/Evvanne etc. are Celtic forms of the Old German name Iva (meaning: yew-tree or yew-wood or bow of yew-wood)Jad is a short form of Jadrien (an American combination of Jay + Adrien) or Jaddeus (a Hebrew/Latin name meaning "God knows me")Satu