Kaelynn is a distinctive girls' name in United States, ranking #942 in 2015 with 288 recorded births. The name reached its all-time peak in 2012 with 288 births ranking #909. Since 1996, the popularity has increased by 512.8%. In 2015, approximately 1 in every 6,197 girls born was named Kaelynn. FALLING Recent data shows the name is currently falling.