Kaelynn is a distinctive girls' name in United States, ranking #1216 in 2007 with 206 recorded births. The name reached its all-time peak in 2012 with 288 births ranking #909. Since 1996, the popularity has increased by 338.3%. In 2007, approximately 1 in every 9,332 girls born was named Kaelynn. FALLING Recent data shows the name is currently falling.