What does Isadore mean?
Isadore /is-ad-ore/ [3 sylls.] as a boys' name. Isadore's root is Greek, and the name Isadore means "gift of Isis". Isadore is a variant form of Isidore (Greek) with the prefix Isa-.
How popular is Isadore?
Isadore is an unusual first name for males but a very prominent last name for both adults and children (#43157 out of 150436, Top 29%). (2000 U.S. Census)
Displayed below is the baby name popularity of Isadore for boys. Isadore reached its top rank of #312 in the U.S. during the years 1900-1909, but is not listed currently. (2014 Birth Statistics)
Below is a charted comparison of the usage of the boy name Isadore and associated names. Dorian (#535 the previous year), Isidore and Isidro are the popular alternative forms of Isadore listed in the Top 1000. Usage of these boy names reached its peak during 1900-1909 (usage of 0.324%) and has become much less since (usage 0.1163%, ▼64.1%), with the versions Isadore, Isidore and Isidro becoming less fashionable. Dorian (#535) is the most chic name for newborns among these. (2014 Birth Statistics)