Meaning Variant of Ethan, the name means powerful & firm. Origin of Eithan Hebrew +-100%Zoom level changed to 1 Popular Middle Names Abdiel, Armando, Emiliano, Gael, Javier, Jesus, Jose, Miguel Pronunciation 🔊 Listen Eithan EE-than Similar Names Ethyn Ethen Etham Eathen Eitan Ethan Elias Ezekiela Emmott Evald Year by Year Popularity of Eithan