What does Gradea mean?
Gradea \g-ra-dea\ as a name for boys. Gradea's roots are Irish and Gaelic, and the meaning of the name Gradea is "renowned". Gradea is a derivative of Grady (Irish, Gaelic): originally an Irish surname.
Gradea is an unusual given name for males. Gradea is an equally uncommon last name for both adults and children. (2000 U.S. Census)
Below is a graphed analysis of the usage of the boy name Gradea and related names. Grady (#345 a year ago) is the only popular alternative form of Gradea (#unlisted) rated in the Top 1000. Adoption of these boy names was at its most widespread during the years 1910-1919 (usage of 0.78%) and has become much less since (usage 0.655%, down 16%). Grady (#345) is the most trendy birth name here, with this name having a rekindling in usage. (2014 Birth Statistics)