Cortlynn is a distinctive girls' name in United States, ranking #15436 in 2025 with 5 recorded births. The name reached its all-time peak in 2015 with 14 births ranking #8103. Since 1996, the popularity has decreased by 16.7%. In 2025, approximately 1 in every 321,453 girls born was named Cortlynn. FALLING Recent data shows the name is currently falling.