Kailynn is a distinctive girls' name in United States, ranking #1436 in 2018 with 154 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 170.2%. In 2018, approximately 1 in every 11,042 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.