Hartley is a distinctive boys' name in United States, ranking #3941 in 2014 with 26 recorded births. The name reached its all-time peak in 2018 with 30 births ranking #3644. Since 1996, the popularity has increased by 225.0%. In 2014, approximately 1 in every 73,863 boys born was named Hartley. FALLING Recent data shows the name is currently falling.