Kailynn is a distinctive girls' name in United States, ranking #1014 in 2014 with 258 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 352.6%. In 2014, approximately 1 in every 6,922 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.