Lia is a moderately popular girls' name in United States, ranking #200 in 2025 with 1,526 recorded births. The name reached its all-time peak in 2024 with 1,605 births ranking #187. Since 1996, the popularity has increased by 738.5%. In 2025, approximately 1 in every 1,053 girls born was named Lia. STABLE Recent data shows the name is currently stable.