Kailynn is a distinctive girls' name in United States, ranking #1303 in 2016 with 184 recorded births. The name reached its all-time peak in 2011 with 290 births ranking #899. Since 1996, the popularity has increased by 222.8%. In 2016, approximately 1 in every 9,628 girls born was named Kailynn. FALLING Recent data shows the name is currently falling.