Kylyn is a distinctive girls' name in United States, ranking #8281 in 2021 with 13 recorded births. The name reached its all-time peak in 2016 with 20 births ranking #6301. Since 1996, the popularity has increased by 30.0%. In 2021, approximately 1 in every 126,132 girls born was named Kylyn. FALLING Recent data shows the name is currently falling.