Kortni is a distinctive girls' name in United States, ranking #5634 in 2006 with 24 recorded births. The name reached its all-time peak in 1997 with 70 births ranking #2034. Since 1996, the popularity has decreased by 45.5%. In 2006, approximately 1 in every 79,211 girls born was named Kortni. RISING Recent data shows the name is currently rising.