Hartley is a distinctive girls' name in United States, ranking #7857 in 2007 with 16 recorded births. The name reached its all-time peak in 2025 with 148 births ranking #1453. Since 1996, the popularity has increased by 100.0%. In 2007, approximately 1 in every 120,153 girls born was named Hartley. RISING Recent data shows the name is currently rising.