How old is someone named Lennon?
The average Lennon is 9 years old.
Half of all living Lennons are between 4 and 11.
When was Lennon popular?
Lennon is a modern favorite: it climbed through the 2000s and hit its high in 2022. 1,729 babies got the name in 2025.
Popular names of 2022 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1910s | 21 | 0 |
| 1920s | 77 | 0 |
| 1930s | 64 | under 100 |
| 1940s | 110 | under 100 |
| 1950s | 124 | under 100 |
| 1960s | 134 | 110 |
| 1970s | 121 | 110 |
| 1980s | 248 | 230 |
| 1990s | 354 | 340 |
| 2000s | 1,555 | 1,500 |
| 2010s | 7,943 | 7,900 |
| 2020s | 9,828 | 9,800 |
How many Lennons are still alive?
About 20,000 Lennons are alive in the US today. That's 98% of the roughly 21,000 babies named Lennon since 1913.
Nearly every Lennon ever born is still alive, because almost all of them are young.
What generation is the name Lennon?
About four in five living Lennons are in Gen Alpha, born in 2013 or later.
- Boomer under 1%
- Gen X under 1%
- Millennial 2%
- Gen Z 14%
- Gen Alpha 82%
Is Lennon an old name?
No. Lennon is one of the youngest names around: younger than 95 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Lennon will be 22 in 2056, so the name is aging slowly.
Is Lennon a boy or girl name?
Both. 62% of living Lennons are women and 38% are men.
The women average 6 and the men 15.
Names the same age as Lennon
NAME TWIN
Lennon's name twin is Ezra. Of all 3,713 names on AgeByName, Ezra's age curve is the closest match to Lennon's: 94% alike.
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Questions about the name Lennon
How old is the average Lennon?
The average Lennon in the US is 9 years old. The median is 7, so half are older and half younger.
How many people are named Lennon?
About 20,000 Lennons are alive in the US today, out of roughly 21,000 babies given the name since 1913.
When was the name Lennon most popular?
In 2022, when about 1,700 baby girls were named Lennon.
Is Lennon a Gen Alpha name?
Yes. About 82% of living Lennons are in Gen Alpha, born in 2013 or later.
Is Lennon a boy or girl name?
Both. 62% of living Lennons are women and 38% are men. The women average 6 and the men 15.
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