How old is someone named Lainey?
The average Lainey is 7 years old.
Half of all living Laineys are between 2 and 10.
When was Lainey popular?
Lainey has been rising for years and peaked in 2025, so most Laineys are still kids.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1960s | 6 | under 100 |
| 1970s | 10 | under 100 |
| 1980s | 195 | 190 |
| 1990s | 655 | 650 |
| 2000s | 3,180 | 3,100 |
| 2010s | 5,769 | 5,700 |
| 2020s | 18,616 | 19,000 |
How many Laineys are still alive?
About 28,000 Laineys are alive in the US today. That's over 99% of the roughly 28,000 babies named Lainey since 1968.
Nearly every Lainey ever born is still alive, because almost all of them are young.
What generation is the name Lainey?
About four in five living Laineys are in Gen Alpha, born in 2013 or later.
- Millennial 2%
- Gen Z 17%
- Gen Alpha 81%
Is Lainey an old name?
No. Lainey is one of the youngest names around: younger than 98 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Lainey will be 19 in 2056, so the name is aging slowly.
Is Lainey a boy or girl name?
Almost entirely girls: over 99.9% of living Laineys are women.
Names the same age as Lainey
NAME TWIN
Lainey's name twin is Jaziel. Of all 3,713 names on AgeByName, Jaziel's age curve is the closest match to Lainey's: 88% alike.
Other spellings: Laney (17)
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Questions about the name Lainey
How old is the average Lainey?
The average Lainey in the US is 7 years old. The median is 3, so half are older and half younger.
How many people are named Lainey?
About 28,000 Laineys are alive in the US today, out of roughly 28,000 babies given the name since 1968.
When was the name Lainey most popular?
In 2025, when about 5,700 baby girls were named Lainey.
Is Lainey a Gen Alpha name?
Yes. About 81% of living Laineys are in Gen Alpha, born in 2013 or later.
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