What does the name Isaiah mean? The meaning of the name Isaiah is God Is Salvation. The origin of the name Isaiah is Hebrew. This is the culture in which the name originated, or in the case of a word, the language.
Alternate spellings: Isiah, Isaih, Izaiah, Izayah, Isayah, Isaia, Issiah
People who like the name Isaiah also like: Elijah
, Josiah Olivia
Name Notes: Jewish prophet.