How Many People Are Named Allison?
An estimated 302,765 people in the United States have the first name Allison. While not in the top 50, it remains a well-known name ranking #163 overall. It is predominantly female (98.8%). The average bearer is 31 years old, and Allison peaked in popularity in 1994 with 8,163 births that year.
Below you will find a full statistical profile of Allison as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Allison paired with any surname.
Key Insights
- Allison has undergone a significant gender shift. Originally given predominantly to boys, it is now more commonly a girls' name.
- While Allison is overwhelmingly female, 3,819 male births have been registered with this name since 1880.
Estimated Living Americans
302,765
About 1 in 1,132 people in the U.S.
Rarity
Common
Predicted Gender
Female
98.8% confidence
Average Age
31
years old
Peak Year
1994
8,163 births
Total Registered
320,344
since 1880
Gender Distribution for Allison
Allison is predominantly female (98.8%), though 3,819 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Allison as a male name
Ranked #8,988 in 2024
8 male births in 2024
Peak: 1917 (72 births)
Allison as a female name
Ranked #99 in 2024
2,622 female births in 2024
Peak: 1994 (8,150 births)
Allison: Popularity Over Time
SSA records for Allison span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1990s, when 74,578 babies were registered. Allison has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Allison by Decade
How has Allison tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 1880s | 70 | 70 | 0 | |
| 1890s | 80 | 80 | 0 | |
| 1900s | 94 | 88 | 6 | |
| 1910s | 576 | 431 | 145 | |
| 1920s | 837 | 610 | 227 | |
| 1930s | 659 | 423 | 236 | |
| 1940s | 1,064 | 384 | 680 | |
| 1950s | 4,937 | 383 | 4,554 | |
| 1960s | 16,928 | 403 | 16,525 | |
| 1970s | 34,411 | 252 | 34,159 | |
| 1980s | 62,643 | 315 | 62,328 | |
| 1990s | 74,578 | 147 | 74,431 | |
| 2000s | 60,096 | 131 | 59,965 | |
| 2010s | 49,069 | 76 | 48,993 | |
| 2020s | 14,302 | 26 | 14,276 | |
Allison by State
Birth registrations for Allison span all 51 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Wyoming, Vermont, Alaska. On average, about 6,180 Allisons were registered per state.
Allison + Last Name Combinations
How many people share a full name with Allison as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Allison
Other first names starting with A with a similar number of bearers.
Allison: Questions and Answers
How many people in the U.S. are named Allison?
We estimate approximately 302,765 people named Allison are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 1,132 Americans share this first name.
Is Allison a common name?
Allison is classified as "Common" and is more popular than 99.8% of all first names in the SSA database. A total of 320,344 births have been registered with this name since 1880.
When was Allison most popular?
Allison reached peak popularity in 1994, when 8,163 babies were given this name. The average age of a living person named Allison is approximately 31 years old, reflecting when the name was most commonly given.
Is Allison a female name?
Allison is predominantly female. 98.8% of people with this name are female. See the gender breakdown above for full details.
How many Allison Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Allison Smith, Allison Johnson, Allison Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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