Karly is a distinctive girls' name in United States, ranking #1333 in 2015 with 178 recorded births. The name reached its all-time peak in 1996 with 383 births ranking #597. Since 1996, the popularity has decreased by 53.5%. In 2015, approximately 1 in every 10,026 girls born was named Karly. STABLE Recent data shows the name is currently stable.