Kortni is a distinctive girls' name in United States, ranking #11424 in 2015 with 9 recorded births. The name reached its all-time peak in 1997 with 70 births ranking #2034. Since 1996, the popularity has decreased by 79.5%. In 2015, approximately 1 in every 198,295 girls born was named Kortni. RISING Recent data shows the name is currently rising.