Feminine dossier · first seen 1964
Kourtney
Endangered
Down 95.2% from peak
Peak era
1990
Peak births
646
Current vitality
Rare
Peak generation
Millennial
Quick answers about Kourtney
How many people are named Kourtney?
An estimated 13,562 living Americans are named Kourtney.
How rare is Kourtney?
Kourtney is very rare among babies today, with 31 girls receiving the name in 2025, down 95.2% from its 1990 peak.
How old is the typical Kourtney?
The median age of a living American named Kourtney is approximately 30 years, with most bearers falling between 18 and 36 years old.
Is Kourtney still popular?
No. Kourtney is endangered as a baby name, down 95.2% from its 1990 peak with 31 births in 2025.
Where is Kourtney most common?
Kourtney has its strongest geographic signal in Louisiana, where it appears 3.5× more often than the national baseline.
1964Peak 19902025
Peak year
1990
Decline from peak
95.2%
2025
31
All-time
13,925