Namesakes
Characters in Roman Mythology:
1 character
Ilia (f) 
Olympic Medalists:
1 bronze, 1 silver
(silver) Ilia Averbukh 2002 figure skating
(bronze) Ilia Chernousov 2014 cross-country skiing
Saints:
1 saint
Saint Ilia Chavchavadze 1837-1907