Kaylynn is a distinctive girls' name in United States, ranking #767 in 1998 with 281 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 10.6%. In 1998, approximately 1 in every 6,288 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.