Ajax is a rare boys' name that has climbed to its highest level yet, peaking in 2023.
Ajax is a boy name. In 2025 it ranked #3,243 for boy births in the United States (and #6,969 across all names), given to 36 babies. Ajax first appears in 2005 and peaked in 2023 (45 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 36 | 36 | #3,243 |
| 2024 | 30 | 30 | #3,694 |
| 2023 | 45 | 45 | #2,808 |
| 2022 | 29 | 29 | #3,774 |
| 2021 | 23 | 23 | #4,367 |
| 2020 | 24 | 24 | #4,145 |
| 2019 | 21 | 21 | #4,644 |
| 2018 | 30 | 30 | #3,608 |
| 2017 | 28 | 28 | #3,781 |
| 2016 | 33 | 33 | #3,363 |
| 2015 | 17 | 17 | #5,297 |
| 2014 | 21 | 21 | #4,541 |
| 2013 | 18 | 18 | #4,990 |
| 2012 | 20 | 20 | #4,693 |
| 2011 | 17 | 17 | #5,208 |
| 2010 | 18 | 18 | #5,051 |
| 2009 | 12 | 12 | #6,814 |
| 2008 | 9 | 9 | #8,344 |
| 2007 | 8 | 8 | #8,946 |
| 2006 | 6 | 6 | #10,706 |
| 2005 | 7 | 7 | #9,142 |