Rexx is a very rare variant of Rex that peaked in 2018 and has grown less common since.
Rexx is a boy name. In 2025 it ranked #13,466 for boy births in the United States (and #27,709 across all names), given to 5 babies. Rexx first appears in 2011 and peaked in 2018 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 5 | 5 | #13,466 |
| 2024 | 8 | 8 | #9,677 |
| 2022 | 5 | 5 | #13,894 |
| 2021 | 5 | 5 | #13,662 |
| 2020 | 7 | 7 | #10,368 |
| 2019 | 7 | 7 | #10,572 |
| 2018 | 9 | 9 | #8,681 |
| 2017 | 5 | 5 | #13,822 |
| 2016 | 5 | 5 | #13,758 |
| 2015 | 5 | 5 | #13,606 |
| 2014 | 8 | 8 | #9,438 |
| 2011 | 7 | 7 | #10,539 |