Ellyssa \e(l)-lyssa, ell(ys)-sa\ as a girl's name is a variant of Elizabeth (Hebrew), and the meaning of Ellyssa is "God's promise; God is my oath".
The baby name Ellyssa sounds like Illyssa, Ellissa, Allyssa and Elyssa. Other similar baby names are Allessa, Ilyssa, Ellsa, Elissa, Alyssa, Allissa, Allyssha, Allysa, Eloysia, Illissa, Calyssa, Delyssa, Elyssia, Elysse, Elysia, Elysa, Ellyza, Ellyse, Ellesse, Elssa, Julyssa, Kalyssa, Talyssa and Ulyssa.