Kourtlyn is a distinctive girls' name in United States, ranking #15718 in 1999 with 5 recorded births. The name reached its all-time peak in 2023 with 27 births ranking #4932. Since 1996, the popularity has decreased by 28.6%. In 1999, approximately 1 in every 354,756 girls born was named Kourtlyn. FALLING Recent data shows the name is currently falling.