Kaelynn is a distinctive girls' name in United States, ranking #963 in 2009 with 278 recorded births. The name reached its all-time peak in 2012 with 288 births ranking #909. Since 1996, the popularity has increased by 491.5%. In 2009, approximately 1 in every 6,607 girls born was named Kaelynn. FALLING Recent data shows the name is currently falling.