Lily is a highly popular girls' name in United States, ranking #31 in 2021 with 5,629 recorded births. The name reached its all-time peak in 2011 with 8,192 births ranking #15. Since 1996, the popularity has increased by 415.9%. In 2021, approximately 1 in every 291 girls born was named Lily. STABLE Recent data shows the name is currently stable.