Hartley is a distinctive girls' name in United States, ranking #8907 in 2006 with 13 recorded births. The name reached its all-time peak in 2025 with 148 births ranking #1453. Since 1996, the popularity has increased by 62.5%. In 2006, approximately 1 in every 146,236 girls born was named Hartley. RISING Recent data shows the name is currently rising.