Kortni is a distinctive girls' name in United States, ranking #7241 in 2008 with 18 recorded births. The name reached its all-time peak in 1997 with 70 births ranking #2034. Since 1996, the popularity has decreased by 59.1%. In 2008, approximately 1 in every 105,040 girls born was named Kortni. RISING Recent data shows the name is currently rising.