How Many People Are Named Alistair?
An estimated 3,776 people in the United States have the first name Alistair. It is almost exclusively a male name. The average bearer is 13 years old, and Alistair peaked in popularity in 2024 with 257 births that year.
Below you will find a full statistical profile of Alistair 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 Alistair paired with any surname.
Key Insights
- Alistair is a modern name. With an average bearer age of just 13, it has gained most of its popularity in recent years.
Estimated Living Americans
3,776
About 1 in 90,772 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
13
years old
Peak Year
2024
257 births
Total Registered
3,822
since 1880
Gender Distribution for Alistair
Alistair is almost exclusively a male name. Out of 3,822 total births registered, 100.0% were male.
Alistair as a male name
Ranked #905 in 2024
257 male births in 2024
Peak: 2024 (257 births)
Alistair: Popularity Over Time
SSA records for Alistair span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2010s, when 1,721 babies were registered. While Alistair is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Alistair by Decade
How has Alistair 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.
Alistair by State
Birth registrations for Alistair span all 34 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in West Virginia, Utah, Nevada. On average, about 66 Alistairs were registered per state.
Alistair + Last Name Combinations
How many people share a full name with Alistair as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Alistair
Other first names starting with A with a similar number of bearers.
Alistair: Questions and Answers
How many people in the U.S. are named Alistair?
We estimate approximately 3,776 people named Alistair 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 90,772 Americans share this first name.
Is Alistair a common name?
Alistair is classified as "Rare" and is more popular than 95.8% of all first names in the SSA database. A total of 3,822 births have been registered with this name since 1880.
When was Alistair most popular?
Alistair reached peak popularity in 2024, when 257 babies were given this name. The average age of a living person named Alistair is approximately 13 years old, reflecting when the name was most commonly given.
Is Alistair a male name?
Alistair is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Alistair Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Alistair Smith, Alistair Johnson, Alistair 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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