Kailynn is a distinctive girls' name in United States, ranking #1831 in 2002 with 98 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 71.9%. In 2002, approximately 1 in every 18,335 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.