The name Eliza means God Is My Oath and is of English origin. Eliza is a name that's been primarily used for girls.
Eliza is a shortened form of the name Elizabeth. Made famous by the fictional character Eliza Doolittle, originally from the play "Pygmalion" later turned into the musical "My Fair Lady." Eliza Dushku, actress. Eliza McCardle Johnson, U.S. first lady to Andrew Johnson.