Kailynn is a distinctive girls' name in United States, ranking #1059 in 2013 with 235 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 312.3%. In 2013, approximately 1 in every 7,466 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.