Karly is a distinctive girls' name in United States, ranking #698 in 2000 with 336 recorded births. The name reached its all-time peak in 1996 with 383 births ranking #597. Since 1996, the popularity has decreased by 12.3%. In 2000, approximately 1 in every 5,405 girls born was named Karly. STABLE Recent data shows the name is currently stable.