Karly is a distinctive girls' name in United States, ranking #923 in 2009 with 290 recorded births. The name reached its all-time peak in 1996 with 383 births ranking #597. Since 1996, the popularity has decreased by 24.3%. In 2009, approximately 1 in every 6,334 girls born was named Karly. STABLE Recent data shows the name is currently stable.