Kailynn is a distinctive girls' name in United States, ranking #1581 in 2004 with 125 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 119.3%. In 2004, approximately 1 in every 14,689 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.