Hartley is a distinctive girls' name in United States, ranking #1760 in 2014 with 118 recorded births. The name reached its all-time peak in 2025 with 148 births ranking #1453. Since 1996, the popularity has increased by 1,375.0%. In 2014, approximately 1 in every 15,135 girls born was named Hartley. RISING Recent data shows the name is currently rising.