Kayline is a distinctive girls' name in United States, ranking #10859 in 1999 with 8 recorded births. The name reached its all-time peak in 2006 with 10 births ranking #11022. Since 1996, the popularity has increased by 60.0%. In 1999, approximately 1 in every 221,723 girls born was named Kayline. FALLING Recent data shows the name is currently falling.