Kylyn is a distinctive girls' name in United States, ranking #7306 in 2012 with 17 recorded births. The name reached its all-time peak in 2016 with 20 births ranking #6301. Since 1996, the popularity has increased by 70.0%. In 2012, approximately 1 in every 103,573 girls born was named Kylyn. FALLING Recent data shows the name is currently falling.