Kortni is a distinctive girls' name in United States, ranking #6524 in 2010 with 20 recorded births. The name reached its all-time peak in 1997 with 70 births ranking #2034. Since 1996, the popularity has decreased by 54.5%. In 2010, approximately 1 in every 88,866 girls born was named Kortni. RISING Recent data shows the name is currently rising.