Riley is a highly popular girls' name in United States, ranking #48 in 2025 with 4,441 recorded births. The name reached its all-time peak in 2016 with 7,159 births ranking #22. Since 1996, the popularity has increased by 286.2%. In 2025, approximately 1 in every 362 girls born was named Riley. STABLE Recent data shows the name is currently stable.