Aisen is a very rare boys' name that peaked in 2021 and has since faded.
Aisen is a boy name. In 2025 it ranked #12,072 for boy births in the United States (and #24,895 across all names), given to 5 babies. Aisen first appears in 2008 and peaked in 2021 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 5 | 5 | #12,072 |
| 2022 | 6 | 6 | #10,910 |
| 2021 | 10 | 10 | #7,608 |
| 2020 | 9 | 9 | #8,102 |
| 2019 | 7 | 7 | #9,793 |
| 2018 | 5 | 5 | #12,213 |
| 2017 | 6 | 6 | #10,822 |
| 2015 | 6 | 6 | #10,703 |
| 2013 | 8 | 8 | #8,808 |
| 2012 | 5 | 5 | #12,332 |
| 2011 | 9 | 9 | #8,098 |
| 2010 | 8 | 8 | #8,824 |
| 2009 | 5 | 5 | #12,547 |
| 2008 | 5 | 5 | #12,602 |