Ilia is a distinctive girls' name in United States, ranking #9286 in 2022 with 11 recorded births. The name reached its all-time peak in 2025 with 34 births ranking #4217. Since 1996, the popularity has increased by 120.0%. In 2022, approximately 1 in every 148,978 girls born was named Ilia. RISING Recent data shows the name is currently rising.