How Many People Are Named Mason?
An estimated 331,695 people in the United States have the first name Mason. While not in the top 50, it remains a well-known name ranking #144 overall. It is predominantly male (99.0%). The average bearer is 16 years old, and Mason peaked in popularity in 2011 with 19,617 births that year.
Below you will find a full statistical profile of Mason 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 Mason paired with any surname.
Key Insights
- While Mason is overwhelmingly male, 3,297 female births have been registered with this name since 1880.
- Mason is a modern name. With an average bearer age of just 16, it has gained most of its popularity in recent years.
Estimated Living Americans
331,695
About 1 in 1,033 people in the U.S.
Rarity
Common
Predicted Gender
Male
99.0% confidence
Average Age
16
years old
Peak Year
2011
19,617 births
Total Registered
339,506
since 1880
Gender Distribution for Mason
Mason is almost exclusively a male name. Out of 339,506 total births registered, 99.0% were male.
Mason as a male name
Ranked #42 in 2024
6,471 male births in 2024
Peak: 2011 (19,528 births)
Mason as a female name
Ranked #3,145 in 2024
51 female births in 2024
Peak: 2004 (162 births)
Mason: Popularity Over Time
SSA records for Mason span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 2010s, when 158,666 babies were registered. Mason has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Mason by Decade
How has Mason 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 | 154 | 154 | 0 | |
| 1890s | 171 | 171 | 0 | |
| 1900s | 219 | 219 | 0 | |
| 1910s | 890 | 878 | 12 | |
| 1920s | 1,223 | 1,212 | 11 | |
| 1930s | 833 | 833 | 0 | |
| 1940s | 867 | 867 | 0 | |
| 1950s | 848 | 848 | 0 | |
| 1960s | 958 | 958 | 0 | |
| 1970s | 2,308 | 2,298 | 10 | |
| 1980s | 5,619 | 5,541 | 78 | |
| 1990s | 33,650 | 32,879 | 771 | |
| 2000s | 91,805 | 90,499 | 1,306 | |
| 2010s | 158,666 | 157,875 | 791 | |
| 2020s | 41,295 | 40,977 | 318 | |
Mason by State
Birth registrations for Mason span all 51 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in District of Columbia, Wyoming, Vermont. On average, about 6,531 Masons were registered per state.
Mason + Last Name Combinations
How many people share a full name with Mason as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mason
Other first names starting with M with a similar number of bearers.
Mason: Questions and Answers
How many people in the U.S. are named Mason?
We estimate approximately 331,695 people named Mason 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 1,033 Americans share this first name.
Is Mason a common name?
Mason is classified as "Common" and is more popular than 99.9% of all first names in the SSA database. A total of 339,506 births have been registered with this name since 1880.
When was Mason most popular?
Mason reached peak popularity in 2011, when 19,617 babies were given this name. The average age of a living person named Mason is approximately 16 years old, reflecting when the name was most commonly given.
Is Mason a male name?
Mason is predominantly male. 99.0% of people with this name are male. See the gender breakdown above for full details.
How many Mason Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mason Smith, Mason Johnson, Mason 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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