Lydia is a popular girls' name in United States, ranking #95 in 2023 with 2,729 recorded births. The name reached its all-time peak in 2014 with 3,652 births ranking #84. Since 1996, the popularity has increased by 50.5%. In 2023, approximately 1 in every 587 girls born was named Lydia. STABLE Recent data shows the name is currently stable.