How old is someone named Caitlyn?
The average Caitlyn is 26 years old.
Half of all living Caitlyns are between 21 and 32.
When was Caitlyn popular?
Caitlyn had one big moment, peaking in 1998. 65% of the babies ever named Caitlyn arrived in a single 15-year stretch.
Popular names of 1998 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1960s | 5 | under 100 |
| 1970s | 71 | under 100 |
| 1980s | 4,483 | 4,300 |
| 1990s | 22,003 | 22,000 |
| 2000s | 19,794 | 20,000 |
| 2010s | 5,652 | 5,600 |
| 2020s | 629 | 630 |
How many Caitlyns are still alive?
About 52,000 Caitlyns are alive in the US today. That's 98% of the roughly 53,000 babies named Caitlyn since 1968.
Nearly every Caitlyn ever born is still alive, because almost all of them are young.
What generation is the name Caitlyn?
More than half of living Caitlyns are in Gen Z, born between 1997 and 2012.
- Millennial 35%
- Gen Z 58%
- Gen Alpha 7%
Is Caitlyn an old name?
Not really. Caitlyn is younger than 57 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Caitlyn will be 54 in 2056, so the name is aging fast.
Is Caitlyn a boy or girl name?
Almost entirely girls: 99.9% of living Caitlyns are women.
Names the same age as Caitlyn
NAME TWIN
Caitlyn's name twin is Allyssa. Of all 3,713 names on AgeByName, Allyssa's age curve is the closest match to Caitlyn's: 92% alike.
Other spellings: Kaitlyn (26) · Katelyn (26) · Caitlin (32) · Kaitlin (31) · Katelynn (24) · Katlyn (29)
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Questions about the name Caitlyn
How old is the average Caitlyn?
The average Caitlyn in the US is 26 years old. The median is 27, so half are older and half younger.
How many people are named Caitlyn?
About 52,000 Caitlyns are alive in the US today, out of roughly 53,000 babies given the name since 1968.
When was the name Caitlyn most popular?
In 1998, when about 2,900 baby girls were named Caitlyn.
Is Caitlyn a Gen Z name?
Yes. About 58% of living Caitlyns 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