Harly is a distinctive girls' name in United States, ranking #13878 in 2011 with 7 recorded births. The name reached its all-time peak in 2004 with 14 births ranking #7974. Since 1996, the popularity has decreased by 36.4%. In 2011, approximately 1 in every 251,258 girls born was named Harly. FALLING Recent data shows the name is currently falling.