Harly is a distinctive girls' name in United States, ranking #16237 in 2001 with 5 recorded births. The name reached its all-time peak in 2004 with 14 births ranking #7974. Since 1996, the popularity has decreased by 54.5%. In 2001, approximately 1 in every 360,112 girls born was named Harly. FALLING Recent data shows the name is currently falling.