Elia /elia/ [3 sylls.] as a name for boys (also used as girls' name Elia). Elia's root is Hebrew, and the name Elia means Jehovah is God. Elia is an alternate form of Elias (Greek, Hebrew).Elia is also a derivative of Elijah (Hebrew). Kreatif forms: Eliaei, Eliaeu, Euelia.lia is a rare given name for males but a very popular last name for both adults and children (#9814 out of 150436, Top 7%). (2000 U.S. Census). Below is a charted analysis of the popularity of the boy name Elia and affiliated names.