Ilia is a distinctive girls' name in United States, ranking #4217 in 2025 with 34 recorded births. The name reached its all-time peak in 2025 with 34 births ranking #4217. Since 1996, the popularity has increased by 580.0%. In 2025, approximately 1 in every 47,273 girls born was named Ilia. RISING Recent data shows the name is currently rising.