Kortni is a distinctive girls' name in United States, ranking #6440 in 2009 with 21 recorded births. The name reached its all-time peak in 1997 with 70 births ranking #2034. Since 1996, the popularity has decreased by 52.3%. In 2009, approximately 1 in every 87,470 girls born was named Kortni. RISING Recent data shows the name is currently rising.