How old is someone named Kourtney?
The average Kourtney is 28 years old.
Half of all living Kourtneys are between 19 and 36.
When was Kourtney popular?
Kourtney was a boom name: it shot up, peaked in 1990, and dropped away. That's why most Kourtneys are close to the same age.
Popular names of 1990 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1960s | 45 | under 100 |
| 1970s | 626 | 590 |
| 1980s | 2,739 | 2,600 |
| 1990s | 5,654 | 5,500 |
| 2000s | 2,675 | 2,600 |
| 2010s | 2,672 | 2,700 |
| 2020s | 354 | 350 |
How many Kourtneys are still alive?
About 14,000 Kourtneys are alive in the US today. That's 98% of the roughly 15,000 babies named Kourtney since 1964.
Nearly every Kourtney ever born is still alive, because almost all of them are young.
What generation is the name Kourtney?
About half of living Kourtneys are Millennials, born between 1981 and 1996.
- Gen X 5%
- Millennial 46%
- Gen Z 37%
- Gen Alpha 12%
Is Kourtney an old name?
Not really. Kourtney is younger than 52 in 100 names on AgeByName.
Is Kourtney a boy or girl name?
Mostly a girl's name: 94% of living Kourtneys are women, and 6% are men.
The women average 28 and the men 31.
Names the same age as Kourtney
NAME TWIN
Kourtney's name twin is Marquis. Of all 3,713 names on AgeByName, Marquis's age curve is the closest match to Kourtney's: 89% alike.
Other spellings: Courtney (36)
Think you can guess a Brittany's age?
Ten names, one slider each. Share your score.
Questions about the name Kourtney
How old is the average Kourtney?
The average Kourtney in the US is 28 years old. The median is 30, so half are older and half younger.
How many people are named Kourtney?
About 14,000 Kourtneys are alive in the US today, out of roughly 15,000 babies given the name since 1964.
When was the name Kourtney most popular?
In 1990, when about 680 baby girls were named Kourtney.
Is Kourtney a Millennial name?
Partly. Millennials are the largest group, about 46% of living Kourtneys, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this