What does Gilderoy mean?
Gilderoy \gi-lde-roy, gil-deroy\ as a name for boys. Gilderoy's roots are Irish and Gaelic, and the meaning of the name Gilderoy is "son of the red-head". Gilderoy is a derivative of Gilroy (Irish, Gaelic).
Gilderoy is an unusual first name for males. Gilderoy is an equally unusual last name for all people. (2000 U.S. Census)
Presented below is the birth name popularity of Gilderoy for boys. Gilderoy has not been recorded in the Top 1000 so far. (2014 Birth Statistics)