How old is someone named Kaitlyn?
The average Kaitlyn is 26 years old.
Half of all living Kaitlyns are between 20 and 31.
When was Kaitlyn popular?
Kaitlyn had one big moment, peaking in 2000. 67% of the babies ever named Kaitlyn arrived in a single 15-year stretch.
Popular names of 2000 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 76 | under 100 |
| 1980s | 10,928 | 11,000 |
| 1990s | 67,649 | 66,000 |
| 2000s | 67,021 | 66,000 |
| 2010s | 18,357 | 18,000 |
| 2020s | 2,890 | 2,900 |
How many Kaitlyns are still alive?
About 160,000 Kaitlyns are alive in the US today. That's 99% of the roughly 170,000 babies named Kaitlyn since 1971.
Nearly every Kaitlyn ever born is still alive, because almost all of them are young.
What generation is the name Kaitlyn?
More than half of living Kaitlyns are in Gen Z, born between 1997 and 2012.
- Millennial 33%
- Gen Z 60%
- Gen Alpha 8%
Is Kaitlyn an old name?
Not really. Kaitlyn is younger than 58 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Kaitlyn will be 52 in 2056, so the name is aging fast.
Is Kaitlyn a boy or girl name?
Almost entirely girls: 99.9% of living Kaitlyns are women.
Names the same age as Kaitlyn
NAME TWIN
Kaitlyn's name twin is Brianna. Of all 3,713 names on AgeByName, Brianna's age curve is the closest match to Kaitlyn's: 92% alike.
Other spellings: Katelyn (26) · Caitlin (32) · Kaitlin (31) · Caitlyn (26) · Katelynn (24) · Katlyn (29)
Compare: Caitlin vs. Kaitlyn · Kaitlyn vs. Katelyn
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Questions about the name Kaitlyn
How old is the average Kaitlyn?
The average Kaitlyn in the US is 26 years old. The median is 26, so half are older and half younger.
How many people are named Kaitlyn?
About 160,000 Kaitlyns are alive in the US today, out of roughly 170,000 babies given the name since 1971.
When was the name Kaitlyn most popular?
In 2000, when about 8,800 baby girls were named Kaitlyn.
Is Kaitlyn a Gen Z name?
Yes. About 60% of living Kaitlyns are in Gen Z, born between 1997 and 2012.
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