How old is someone named Caitlin?
The average Caitlin is 32 years old.
Half of all living Caitlins are between 26 and 37.
When was Caitlin popular?
Caitlin was a boom name: it shot up, peaked in 1988, and dropped away. That's why most Caitlins are close to the same age.
Popular names of 1988 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1950s | 46 | under 100 |
| 1960s | 410 | 370 |
| 1970s | 1,277 | 1,200 |
| 1980s | 33,755 | 33,000 |
| 1990s | 49,128 | 48,000 |
| 2000s | 22,315 | 22,000 |
| 2010s | 4,935 | 4,900 |
| 2020s | 560 | 560 |
How many Caitlins are still alive?
About 110,000 Caitlins are alive in the US today. That's 98% of the roughly 110,000 babies named Caitlin since 1955.
Nearly every Caitlin ever born is still alive, because almost all of them are young.
What generation is the name Caitlin?
More than half of living Caitlins are Millennials, born between 1981 and 1996.
- Gen X 2%
- Millennial 63%
- Gen Z 33%
- Gen Alpha 3%
Is Caitlin an old name?
Somewhat. Caitlin is older than 54 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Caitlin will be 60 in 2056, so the name is aging fast.
Is Caitlin a boy or girl name?
Almost entirely girls: 99.8% of living Caitlins are women.
Names the same age as Caitlin
NAME TWIN
Caitlin's name twin is Jessika. Of all 3,713 names on AgeByName, Jessika's age curve is the closest match to Caitlin's: 90% alike.
Other spellings: Kaitlyn (26) · Katelyn (26) · Kaitlin (31) · Caitlyn (26) · Katelynn (24) · Katlyn (29)
Compare: Caitlin vs. Kaitlyn
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Questions about the name Caitlin
How old is the average Caitlin?
The average Caitlin in the US is 32 years old. The median is 33, so half are older and half younger.
How many people are named Caitlin?
About 110,000 Caitlins are alive in the US today, out of roughly 110,000 babies given the name since 1955.
When was the name Caitlin most popular?
In 1988, when about 7,300 baby girls were named Caitlin.
Is Caitlin a Millennial name?
Yes. About 63% of living Caitlins are Millennials, born between 1981 and 1996.
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