Kaelynn is a distinctive girls' name in United States, ranking #2134 in 2000 with 76 recorded births. The name reached its all-time peak in 2012 with 288 births ranking #909. Since 1996, the popularity has increased by 61.7%. In 2000, approximately 1 in every 23,894 girls born was named Kaelynn. FALLING Recent data shows the name is currently falling.