Kayly is a distinctive girls' name in United States, ranking #7609 in 2011 with 16 recorded births. The name reached its all-time peak in 2004 with 32 births ranking #4332. Since 1996, the popularity has increased by 100.0%. In 2011, approximately 1 in every 109,925 girls born was named Kayly. RISING Recent data shows the name is currently rising.