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.
Riley is a major modern unisex favourite with more than one surname route behind it. It feels lively, friendly, and extremely wearable.
The name's success came from the rise of surnames as first names, especially those with a bright approachable sound. Its broad popularity helped spawn many spelling variants.