What does Ilia mean?
Ilia \i-lia\ as a name for boys. Ilia's name origins are Greek, Hebrew and Russian, and the meaning of the name Ilia is "Jehovah is God". Ilia is a derivative of Elias (Greek, Hebrew): biblical name from the Greek form of Elijah. Ilia is also a form of Ilya (Russian, Hebrew).
Ilia is an unusual first name for males. Ilia is an unusual surname too for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the popularity of Ilia and related names. Prominent variation forms of Ilia (#unlisted) are Eli (#49 in 2014), Elias (#103), Elie, Eliot, Elis, Elliot (#217) and Ellis (#443). These boy names are at the top of their popularity presently, except for the form Elie which has become less in vogue. Eli (#49), Elias (#103), Elliot (#217) and Ellis (#443) are four of the more contemporarily stylish names for newborns in this compilation, and there is a rebound in birth name popularity for these names. (Top 1000 Birth Names Records, 2014)