Kylyn is a distinctive girls' name in United States, ranking #8689 in 2009 with 14 recorded births. The name reached its all-time peak in 2016 with 20 births ranking #6301. Since 1996, the popularity has increased by 40.0%. In 2009, approximately 1 in every 131,205 girls born was named Kylyn. FALLING Recent data shows the name is currently falling.