Hartley is a distinctive girls' name in United States, ranking #5346 in 2008 with 27 recorded births. The name reached its all-time peak in 2025 with 148 births ranking #1453. Since 1996, the popularity has increased by 237.5%. In 2008, approximately 1 in every 70,027 girls born was named Hartley. RISING Recent data shows the name is currently rising.