Kaelynn is a distinctive girls' name in United States, ranking #912 in 2010 with 287 recorded births. The name reached its all-time peak in 2012 with 288 births ranking #909. Since 1996, the popularity has increased by 510.6%. In 2010, approximately 1 in every 6,193 girls born was named Kaelynn. FALLING Recent data shows the name is currently falling.