Rhen is a rare name used for both girls and boys that peaked in 2021 and remains in steady use.
Rhen is predominantly a boy name. In 2025 it ranked #5,350 among boys (18) and #8,759 among girls (12) — overall #8,044 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 30 | 30 | #8,759 | #5,350 |
| 2024 | 30 | 30 | #9,443 | #5,209 |
| 2023 | 50 | 50 | #6,873 | #3,544 |
| 2022 | 40 | 40 | #6,658 | #4,668 |
| 2021 | 55 | 55 | #5,705 | #3,478 |
| 2020 | 51 | 51 | #6,037 | #3,550 |
| 2019 | 47 | 47 | #5,424 | #4,447 |
| 2018 | 25 | 25 | #9,044 | #6,630 |
| 2017 | 23 | 23 | #11,435 | #6,276 |
| 2016 | 34 | 34 | #6,857 | #5,737 |
| 2015 | 7 | 7 | — | #10,392 |
| 2014 | 12 | 12 | #18,645 | #10,485 |
| 2013 | 11 | 11 | #16,125 | #13,653 |
| 2012 | 12 | 12 | #16,444 | #11,946 |
| 2011 | 5 | 5 | — | #13,899 |
| 2010 | 10 | 10 | #19,232 | #13,822 |
| 2007 | 5 | 5 | — | #13,963 |
| 2003 | 6 | 6 | — | #10,582 |
| 1997 | 5 | — | — | #10,475 |
| 1995 | 6 | — | — | #8,653 |
| 1993 | 10 | — | — | #5,689 |
| 1992 | 6 | — | — | #8,241 |
| 1989 | 7 | — | — | #6,778 |
| 1988 | 7 | — | — | #6,287 |
| 1987 | 13 | — | — | #3,682 |
| 1986 | 9 | — | — | #4,762 |
| 1985 | 7 | — | — | #5,632 |