Kayline is a distinctive girls' name in United States, ranking #14235 in 2010 with 7 recorded births. The name reached its all-time peak in 2006 with 10 births ranking #11022. Since 1996, the popularity has increased by 40.0%. In 2010, approximately 1 in every 253,904 girls born was named Kayline. FALLING Recent data shows the name is currently falling.