Isadora \i-sado-ra, is(a)-dora\ as a girl's name is pronounced iz-a-DOR-ah. It is of Latin and Greek origin, and the meaning of Isadora is "gift of Isis". Isis was the principal goddess of ancient Egypt. Also feminine form of Isidore, a popular name in ancient Greece. Isadora Duncan, acclaimed American dancer in the 1920s.
For more information, see also the related name Dory.