How old is someone named Alison?
The average Alison is 39 years old.
Half of all living Alisons are between 27 and 51.
When was Alison popular?
Parents have been choosing Alison less often since its peak in 1986; 649 babies got the name in 2025.
Popular names of 1986 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 12 | 0 |
| 1910s | 158 | 0 |
| 1920s | 238 | 0 |
| 1930s | 385 | under 100 |
| 1940s | 1,485 | 910 |
| 1950s | 6,241 | 4,900 |
| 1960s | 12,255 | 11,000 |
| 1970s | 22,198 | 21,000 |
| 1980s | 27,181 | 26,000 |
| 1990s | 19,794 | 19,000 |
| 2000s | 13,333 | 13,000 |
| 2010s | 10,167 | 10,000 |
| 2020s | 4,034 | 4,000 |
How many Alisons are still alive?
About 110,000 Alisons are alive in the US today. That's 94% of the roughly 120,000 babies named Alison since 1905.
Nearly every Alison ever born is still alive, because almost all of them are young.
What generation is the name Alison?
About one in three living Alisons are Millennials, born between 1981 and 1996.
- Boomer 11%
- Gen X 26%
- Millennial 34%
- Gen Z 20%
- Gen Alpha 10%
Is Alison an old name?
Somewhat. Alison is older than 65 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 Alison will be 55 in 2056, so the name is getting older.
Is Alison a boy or girl name?
Almost entirely girls: 99.6% of living Alisons are women.
Names the same age as Alison
NAME TWIN
Alison's name twin is Cara. Of all 3,713 names on AgeByName, Cara's age curve is the closest match to Alison's: 92% alike.
Other spellings: Allison (31) · Allyson (30) · Alyson (31) · Alisson (11)
Compare: Alison vs. Allison
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Questions about the name Alison
How old is the average Alison?
The average Alison in the US is 39 years old. The median is 40, so half are older and half younger.
How many people are named Alison?
About 110,000 Alisons are alive in the US today, out of roughly 120,000 babies given the name since 1905.
When was the name Alison most popular?
In 1986, when about 3,000 baby girls were named Alison.
Is Alison a Millennial name?
Partly. Millennials are the largest group, about 34% of living Alisons, but the name spans several generations.
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