How old is someone named Mason?
The average Mason is 16 years old.
Half of all living Masons are between 9 and 21.
When was Mason popular?
Mason rose fast and peaked in 2011, then faded almost as fast. 61% of all Masons were born within 15 years of each other.
Popular names of 2011 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 219 | 0 |
| 1910s | 890 | 0 |
| 1920s | 1,223 | under 100 |
| 1930s | 833 | 100 |
| 1940s | 867 | 370 |
| 1950s | 848 | 560 |
| 1960s | 958 | 780 |
| 1970s | 2,306 | 2,100 |
| 1980s | 5,619 | 5,300 |
| 1990s | 33,651 | 33,000 |
| 2000s | 91,808 | 90,000 |
| 2010s | 158,702 | 160,000 |
| 2020s | 47,682 | 47,000 |
How many Masons are still alive?
About 340,000 Masons are alive in the US today. That's 97% of the roughly 350,000 babies named Mason since 1880.
Nearly every Mason ever born is still alive, because almost all of them are young.
What generation is the name Mason?
About half of living Masons are in Gen Z, born between 1997 and 2012.
- Gen X under 1%
- Millennial 7%
- Gen Z 47%
- Gen Alpha 45%
Is Mason an old name?
No. Mason is one of the youngest names around: younger than 80 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Mason will be 34 in 2056, so the name is getting older.
Is Mason a boy or girl name?
Almost entirely boys: 99% of living Masons are men.
Names the same age as Mason
NAME TWIN
Mason's name twin is Kenzie. Of all 3,713 names on AgeByName, Kenzie's age curve is the closest match to Mason's: 93% alike.
Other spellings: Mayson (13) · Maison (13)
Compare: Mason vs. Jason
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Questions about the name Mason
How old is the average Mason?
The average Mason in the US is 16 years old. The median is 14, so half are older and half younger.
How many people are named Mason?
About 340,000 Masons are alive in the US today, out of roughly 350,000 babies given the name since 1880.
When was the name Mason most popular?
In 2011, when about 20,000 baby boys were named Mason.
Is Mason a Gen Z name?
Partly. Gen Z are the largest group, about 47% of living Masons, 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