Hartley is a distinctive girls' name in United States, ranking #8049 in 2005 with 14 recorded births. The name reached its all-time peak in 2025 with 148 births ranking #1453. Since 1996, the popularity has increased by 75.0%. In 2005, approximately 1 in every 131,978 girls born was named Hartley. RISING Recent data shows the name is currently rising.