Isadore \i-sado-re, is(a)-dore\ as a boy's name is a variant of Isidore (Greek), and the meaning of Isadore is "gift of Isis".

The baby name Isadore sounds like Isador, Isidoro and Isidor. Other similar baby names are Isandro, Isandero, Isander, Izydor, Izidor, Isidro and Isidorus.