Kourtlyn is a distinctive girls' name in United States, ranking #6026 in 2025 with 20 recorded births. The name reached its all-time peak in 2023 with 27 births ranking #4932. Since 1996, the popularity has increased by 185.7%. In 2025, approximately 1 in every 80,363 girls born was named Kourtlyn. FALLING Recent data shows the name is currently falling.