Kortlyn is a distinctive girls' name in United States, ranking #10900 in 2003 with 9 recorded births. This places Kortlyn in the bottom 41% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 15 births ranking #7888. In 2003, approximately 1 in every 203,006 girls born was named Kortlyn. FALLING Recent data shows the name is currently falling.