Ilia is a distinctive girls' name in United States, ranking #10751 in 2003 with 9 recorded births. The name reached its all-time peak in 2025 with 34 births ranking #4217. Since 1996, the popularity has increased by 80.0%. In 2003, approximately 1 in every 203,006 girls born was named Ilia. RISING Recent data shows the name is currently rising.