Cortlynn is a distinctive girls' name in United States, ranking #11852 in 2007 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 2007, approximately 1 in every 213,605 girls born was named Cortlynn. FALLING Recent data shows the name is currently falling.