Kourtney is a distinctive girls' name in United States, ranking #3461 in 2024 with 45 recorded births. The name reached its all-time peak in 1996 with 594 births ranking #429. Since 1996, the popularity has decreased by 92.4%. In 2024, approximately 1 in every 35,849 girls born was named Kourtney. FALLING Recent data shows the name is currently falling.