Riley is a highly popular girls' name in United States, ranking #37 in 2021 with 5,219 recorded births. The name reached its all-time peak in 2016 with 7,159 births ranking #22. Since 1996, the popularity has increased by 353.8%. In 2021, approximately 1 in every 314 girls born was named Riley. STABLE Recent data shows the name is currently stable.