Ilia is also a girls name, it is a for Cecilia and other names ending with -Ilia. Cecilia is my sister's name, but she has always gone by Ilia.
On a side note: One of the main characters in the first Star Ocean bears the name Ilia, she is my favorite.
-- Anonymous User 7/16/2011
Ilia is also the modern form of Elijah in Georgia, and it is quite common there.
In Georgian, Ilia is written as: ილია .
Known bearers of this name were Georgian mathematician Ilia Vekua (1907-1977) and Ilia Chavchavadze (1837–1907), a Georgian writer, poet and journalist.