Meaning and name origin
Ilia \i-lia\ as a boy's name is of Greek, Hebrew and Russian origin, and the meaning of Ilia is "Jehovah is God". Ilia is a variant of Elias (Greek, Hebrew): biblical name from the Greek form of Elijah. Also a variant of Ilya (Russian, Hebrew): short form of Elijah.
Ilia is not a popular first name for males and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the boy name Ilia and its variant forms. Popular variation forms ranked in the Top 1000/100 are Eli (#49), Elias (#103) and Elie. (Source: 2014 Birth Name Statistics).