Karly is a distinctive girls' name in United States, ranking #831 in 2008 with 342 recorded births. The name reached its all-time peak in 1996 with 383 births ranking #597. Since 1996, the popularity has decreased by 10.7%. In 2008, approximately 1 in every 5,528 girls born was named Karly. STABLE Recent data shows the name is currently stable.