Hartley is a distinctive boys' name in United States, ranking #7796 in 2007 with 10 recorded births. The name reached its all-time peak in 2018 with 30 births ranking #3644. Since 1996, the popularity has increased by 25.0%. In 2007, approximately 1 in every 207,524 boys born was named Hartley. FALLING Recent data shows the name is currently falling.