Mason
Girl name · #3134 in 2025 · Very rare
How old is the name Mason? In official American birth records, Mason has been tracked continuously since 1916, giving it 109 years of documented American history.
Mason ranks #3134 among American girls' names as of 2025, with 51 newborns given the name that year. A decade ago it stood at #2103, so the name has been falling over the past ten years. Roughly one in every 35,294 girls born in 2025 was named Mason.
The 109-year story
Mason first appears in the Social Security records in 1916, when 7 girls received the name. Its peak came in 2004, when 162 girls were named Mason — good for #1314 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Mason per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Mason against up to 5 other names.
Uniqueness: will there be another Mason in class?
On our rarity read — which blends how common Mason is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Mason will likely be the only one in the room, with the occasional spelling-out as the price.
Where Mason is most common
State-level data for Mason is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Mason
Statistically, parents drawn to Mason tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Mayson, Grayson, Karson, Madyson, and Carson.
MaysonGraysonKarsonMadysonCarsonMarlenRayvenRavyn
Rank history (last 25 years)
| Year | Babies named Mason | Rank |
|---|---|---|
| 2025 | 51 | #3130 |
| 2024 | 51 | #3119 |
| 2023 | 65 | #2674 |
| 2022 | 66 | #2639 |
| 2021 | 69 | #2533 |
| 2020 | 67 | #2549 |
| 2019 | 76 | #2355 |
| 2018 | 74 | #2419 |
| 2017 | 62 | #2744 |
| 2016 | 88 | #2188 |
| 2015 | 92 | #2103 |
| 2014 | 78 | #2351 |
| 2013 | 73 | #2458 |
| 2012 | 83 | #2265 |
| 2011 | 89 | #2143 |
| 2010 | 76 | #2451 |
| 2009 | 75 | #2510 |
| 2008 | 106 | #1977 |
| 2007 | 95 | #2117 |
| 2006 | 128 | #1651 |
| 2005 | 152 | #1406 |
| 2004 | 162 | #1314 |
| 2003 | 141 | #1411 |
| 2002 | 149 | #1308 |
| 2001 | 150 | #1291 |
Frequently asked questions
How old is the name Mason?
In official American birth records, the name Mason first appeared in 1916 (over 109 years ago), when 7 newborn girls received the name. It has been tracked in modern national records for 109 years.
Is Mason a popular girl name?
Mason ranked #3134 among girls in 2025 with 51 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2103.
When was the name Mason most popular?
Mason peaked in 2004, when 162 American girls received the name (ranked #1314 that year). Since 2004 the name has declined from that high.
How rare is the name Mason?
In 2025, roughly 1 in 35,294 newborn American girls was named Mason. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.