Kylyn is a distinctive girls' name in United States, ranking #7010 in 2006 with 18 recorded births. The name reached its all-time peak in 2016 with 20 births ranking #6301. Since 1996, the popularity has increased by 80.0%. In 2006, approximately 1 in every 105,615 girls born was named Kylyn. FALLING Recent data shows the name is currently falling.