Kylyn is a distinctive girls' name in United States, ranking #7007 in 2000 with 15 recorded births. The name reached its all-time peak in 2016 with 20 births ranking #6301. Since 1996, the popularity has increased by 50.0%. In 2000, approximately 1 in every 121,065 girls born was named Kylyn. FALLING Recent data shows the name is currently falling.