Katlynn is a distinctive girls' name in United States, ranking #14269 in 2023 with 6 recorded births. The name reached its all-time peak in 1999 with 268 births ranking #813. Since 1996, the popularity has decreased by 97.2%. In 2023, approximately 1 in every 267,108 girls born was named Katlynn. FALLING Recent data shows the name is currently falling.