Kathlynn is a distinctive girls' name in United States, ranking #14434 in 2022 with 6 recorded births. The name reached its all-time peak in 2003 with 15 births ranking #7392. Since 1996, the popularity has decreased by 14.3%. In 2022, approximately 1 in every 273,127 girls born was named Kathlynn. FALLING Recent data shows the name is currently falling.