Lydia is a popular girls' name in United States, ranking #97 in 2024 with 2,663 recorded births. The name reached its all-time peak in 2014 with 3,652 births ranking #84. Since 1996, the popularity has increased by 46.9%. In 2024, approximately 1 in every 606 girls born was named Lydia. STABLE Recent data shows the name is currently stable.