Cortlynn is a distinctive girls' name in United States, ranking #9665 in 1999 with 9 recorded births. The name reached its all-time peak in 2015 with 14 births ranking #8103. Since 1996, the popularity has increased by 50.0%. In 1999, approximately 1 in every 197,087 girls born was named Cortlynn. FALLING Recent data shows the name is currently falling.