Leah \leah\ as a girl's name is pronounced LAY-ah, LEE-ah. It is of Hebrew origin, and the meaning of Leah is "delicate; weary". Biblical: Jacob's first wife, the mother of Dinah and six of Jacob's twelve sons. The name was revived by the Puritans. Hawaiian ythology: Lea is the goddess of canoe makers. The fictional Princess Leia of "Star Wars" fame has made Leia familiar as a given name. L?is popular in France. Actress Lea Thompson.