How old is someone named Kailee?
The average Kailee is 21 years old.
Half of all living Kailees are between 14 and 27.
When was Kailee popular?
Kailee had one big moment, peaking in 2003. 58% of the babies ever named Kailee arrived in a single 15-year stretch.
Popular names of 2003 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 28 | under 100 |
| 1980s | 522 | 510 |
| 1990s | 3,127 | 3,100 |
| 2000s | 5,169 | 5,100 |
| 2010s | 3,315 | 3,300 |
| 2020s | 792 | 790 |
How many Kailees are still alive?
About 13,000 Kailees are alive in the US today. That's 99% of the roughly 13,000 babies named Kailee since 1976.
Nearly every Kailee ever born is still alive, because almost all of them are young.
What generation is the name Kailee?
More than half of living Kailees are in Gen Z, born between 1997 and 2012.
- Millennial 17%
- Gen Z 61%
- Gen Alpha 22%
Is Kailee an old name?
Not really. Kailee is younger than 68 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Kailee will be 43 in 2056, so the name is getting older.
Is Kailee a boy or girl name?
Almost entirely girls: 99.8% of living Kailees are women.
Names the same age as Kailee
NAME TWIN
Kailee's name twin is Kailey. Of all 3,713 names on AgeByName, Kailey's age curve is the closest match to Kailee's: 94% alike.
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Questions about the name Kailee
How old is the average Kailee?
The average Kailee in the US is 21 years old. The median is 21, so half are older and half younger.
How many people are named Kailee?
About 13,000 Kailees are alive in the US today, out of roughly 13,000 babies given the name since 1976.
When was the name Kailee most popular?
In 2003, when about 580 baby girls were named Kailee.
Is Kailee a Gen Z name?
Yes. About 61% of living Kailees 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