Kailynn is a distinctive girls' name in United States, ranking #1712 in 2019 with 122 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 114.0%. In 2019, approximately 1 in every 13,751 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.