Harley is a moderately popular girls' name in United States, ranking #345 in 2023 with 891 recorded births. The name reached its all-time peak in 2017 with 1,531 births ranking #202. Since 1996, the popularity has increased by 22.1%. In 2023, approximately 1 in every 1,799 girls born was named Harley. FALLING Recent data shows the name is currently falling.