Kailynn is a distinctive girls' name in United States, ranking #1694 in 2003 with 113 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 98.2%. In 2003, approximately 1 in every 16,169 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.