Hartley is a distinctive girls' name in United States, ranking #1945 in 2012 with 101 recorded births. The name reached its all-time peak in 2025 with 148 births ranking #1453. Since 1996, the popularity has increased by 1,162.5%. In 2012, approximately 1 in every 17,433 girls born was named Hartley. RISING Recent data shows the name is currently rising.