Kourtney is a distinctive boys' name in United States, ranking #11701 in 2024 with 6 recorded births. The name reached its all-time peak in 2011 with 21 births ranking #4591. Since 1996, the popularity has decreased by 60.0%. In 2024, approximately 1 in every 285,886 boys born was named Kourtney. STABLE Recent data shows the name is currently stable.