Ajax
Boy name · #3301 in 2025 · Very rare
How old is the name Ajax? In official American birth records, Ajax has been tracked continuously since 2005, giving it 20 years of documented American history.
Ajax is currently the #3301 boy name in the United States — 36 babies received it in 2025. A decade ago it stood at #5289, so the name has been rising over the past ten years. Roughly one in every 50,000 boys born in 2025 was named Ajax.
Babies named Ajax per year. Source: Official national birth records.
The 20-year story
Ajax first appears in the Social Security records in 2005, when 7 boys received the name. Its all-time peak is essentially right now: 2023, with 45 babies and a rank of #2805. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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.
Unlock the 5-year forecast and compare Ajax against up to 5 other names.
Uniqueness: will there be another Ajax in class?
On our rarity read — which blends how common Ajax is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Ajax will likely be the only one in the room, with the occasional spelling-out as the price.
Where Ajax is most common
State-level data for Ajax 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 Ajax
Statistically, parents drawn to Ajax tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Pax, Avik, Aras, Azan, and Amor.
PaxAvikArasAzanAmorAzelAcenAkio
Rank history (last 25 years)
| Year | Babies named Ajax | Rank |
|---|---|---|
| 2025 | 36 | #3240 |
| 2024 | 30 | #3693 |
| 2023 | 45 | #2805 |
| 2022 | 29 | #3774 |
| 2021 | 23 | #4362 |
| 2020 | 24 | #4141 |
| 2019 | 21 | #4639 |
| 2018 | 30 | #3607 |
| 2017 | 28 | #3781 |
| 2016 | 33 | #3358 |
| 2015 | 17 | #5289 |
| 2014 | 21 | #4538 |
| 2013 | 18 | #4981 |
| 2012 | 20 | #4686 |
| 2011 | 17 | #5200 |
| 2010 | 18 | #5047 |
| 2009 | 12 | #6802 |
| 2008 | 9 | #8324 |
| 2007 | 8 | #8915 |
| 2006 | 6 | #10662 |
| 2005 | 7 | #9115 |
Frequently asked questions
How old is the name Ajax?
In official American birth records, the name Ajax first appeared in 2005 (over 20 years ago), when 7 newborn boys received the name. It has been tracked in modern national records for 20 years.
Is Ajax a popular boy name?
Ajax ranked #3301 among boys in 2025 with 36 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5289.
When was the name Ajax most popular?
Ajax peaked in 2023, when 45 American boys received the name (ranked #2805 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Ajax?
In 2025, roughly 1 in 50,000 newborn American boys was named Ajax. 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.