Kortnie is a distinctive girls' name in United States, ranking #5045 in 1998 with 21 recorded births. The name reached its all-time peak in 1996 with 30 births ranking #3682. Since 1996, the popularity has decreased by 30.0%. In 1998, approximately 1 in every 84,138 girls born was named Kortnie. RISING Recent data shows the name is currently rising.