Kaelynn is a distinctive girls' name in United States, ranking #2385 in 1999 with 62 recorded births. The name reached its all-time peak in 2012 with 288 births ranking #909. Since 1996, the popularity has increased by 31.9%. In 1999, approximately 1 in every 28,609 girls born was named Kaelynn. FALLING Recent data shows the name is currently falling.