Legion is a rare boys' name that peaked in 2021 and has grown less common since.
Legion is a boy name. In 2025 it ranked #5,513 for boy births in the United States (and #11,628 across all names), given to 17 babies. Legion first appears in 2003 and peaked in 2021 (27 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 17 | 17 | #5,513 |
| 2024 | 11 | 11 | #7,547 |
| 2023 | 18 | 18 | #5,382 |
| 2022 | 20 | 20 | #4,953 |
| 2021 | 27 | 27 | #3,962 |
| 2020 | 26 | 26 | #3,981 |
| 2019 | 20 | 20 | #4,900 |
| 2018 | 23 | 23 | #4,432 |
| 2017 | 23 | 23 | #4,408 |
| 2016 | 20 | 20 | #4,876 |
| 2015 | 21 | 21 | #4,641 |
| 2014 | 22 | 22 | #4,475 |
| 2013 | 15 | 15 | #5,820 |
| 2012 | 20 | 20 | #4,802 |
| 2011 | 23 | 23 | #4,301 |
| 2010 | 24 | 24 | #4,184 |
| 2009 | 12 | 12 | #7,072 |
| 2008 | 11 | 11 | #7,511 |
| 2007 | 7 | 7 | #10,441 |
| 2005 | 5 | 5 | #12,570 |
| 2003 | 5 | 5 | #12,005 |