Harly is a distinctive girls' name in United States, ranking #14455 in 2018 with 6 recorded births. The name reached its all-time peak in 2004 with 14 births ranking #7974. Since 1996, the popularity has decreased by 45.5%. In 2018, approximately 1 in every 283,404 girls born was named Harly. FALLING Recent data shows the name is currently falling.