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How Many People Are Named Mason?
Estimated people named Mason living in the U.S. today
330,317
Gender distribution
99% male · 1% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 339,506
- Peak year: 2011 (19,617 births)
- Estimated living today: 330,317
Mason by age group — who carries the name today?
Mason popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Mason
Mason has been recorded by the Social Security Administration since the 19th century dataset began. In total, 339,506 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 330,317 bearers are still living — roughly 1 in 1,035 Americans. The name's strongest decade shapes how old most Masons you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Mason in the US?
An estimated 330,317 people named Mason are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Mason uncommon — about 1 in 1,035 Americans.
Is Mason a boy or girl name?
In SSA records, Mason is 99% male and 1% female, so it is predominantly a male name.
When was Mason most popular?
Mason peaked in 2011, when 19,617 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Mason?
Mason ranks #146 of 104,819 first names recorded by the SSA, with a rarity score of 35 out of 100 (higher means rarer).