Ilia is a distinctive girls' name in United States, ranking #9777 in 2007 with 12 recorded births. The name reached its all-time peak in 2025 with 34 births ranking #4217. Since 1996, the popularity has increased by 140.0%. In 2007, approximately 1 in every 160,204 girls born was named Ilia. RISING Recent data shows the name is currently rising.