How old is someone named Allison?
The average Allison is 31 years old.
Half of all living Allisons are between 18 and 41.
When was Allison popular?
Allison has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1994.
Popular names of 1994 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 94 | 0 |
| 1910s | 576 | 0 |
| 1920s | 837 | under 100 |
| 1930s | 659 | 110 |
| 1940s | 1,064 | 580 |
| 1950s | 4,936 | 3,900 |
| 1960s | 16,928 | 15,000 |
| 1970s | 34,410 | 32,000 |
| 1980s | 62,642 | 61,000 |
| 1990s | 74,580 | 73,000 |
| 2000s | 60,097 | 59,000 |
| 2010s | 49,079 | 49,000 |
| 2020s | 16,892 | 17,000 |
How many Allisons are still alive?
About 310,000 Allisons are alive in the US today. That's 96% of the roughly 320,000 babies named Allison since 1880.
Nearly every Allison ever born is still alive, because almost all of them are young.
What generation is the name Allison?
About one in three living Allisons are Millennials, born between 1981 and 1996.
- Boomer 3%
- Gen X 15%
- Millennial 35%
- Gen Z 32%
- Gen Alpha 16%
Is Allison an old name?
Somewhat. Allison is older than 53 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 Allison will be 49 in 2056, so the name is getting older.
Is Allison a boy or girl name?
Almost entirely girls: 99.5% of living Allisons are women.
Names the same age as Allison
NAME TWIN
Allison's name twin is Jorge. Of all 3,713 names on AgeByName, Jorge's age curve is the closest match to Allison's: 92% alike.
Other spellings: Alison (39) · Allyson (30) · Alyson (31) · Alisson (11)
Compare: Alison vs. Allison · Allison vs. Allyson
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Questions about the name Allison
How old is the average Allison?
The average Allison in the US is 31 years old. The median is 31, so half are older and half younger.
How many people are named Allison?
About 310,000 Allisons are alive in the US today, out of roughly 320,000 babies given the name since 1880.
When was the name Allison most popular?
In 1994, when about 8,200 baby girls were named Allison.
Is Allison a Millennial name?
Partly. Millennials are the largest group, about 35% of living Allisons, 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