Kortnie is a distinctive girls' name in United States, ranking #7900 in 2009 with 16 recorded births. The name reached its all-time peak in 1996 with 30 births ranking #3682. Since 1996, the popularity has decreased by 46.7%. In 2009, approximately 1 in every 114,804 girls born was named Kortnie. RISING Recent data shows the name is currently rising.