Kourtnie is a distinctive girls' name in United States, ranking #8108 in 2010 with 15 recorded births. The name reached its all-time peak in 1996 with 31 births ranking #3591. Since 1996, the popularity has decreased by 51.6%. In 2010, approximately 1 in every 118,488 girls born was named Kourtnie. FALLING Recent data shows the name is currently falling.