Meaning and name origin
Isadore \i-sado-re, is(a)-dore\ as a boy's name is of Greek origin, and the meaning of Isadore is "gift of Isis". Isadore is a variant of Isidore (Greek): Isis was the principal goddess of ancient Egypt, and Isidore was a popular name among the ancient Greeks.
Isadore is not a popular first name for males but a somewhat popular surname or last name for all people (#46934 out of 88799, Top 53%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Isadore for boys. Isadore reached its highest rank of #312 in the U.S. in 1900-1909. (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Isadore and its variant forms. Popular variation forms ranked in the Top 1000/100 are Isidore and Isadore. (2014 statistics).
A suggested similar baby name is Isidoro. Like Isadore, this name is not commonly used.