Kaien is a very rare variant of Kane that peaked in 2016 and has grown less common since.
Kaien is a boy name. In 2025 it ranked #7,941 for boy births in the United States (and #16,573 across all names), given to 10 babies. Kaien first appears in 2005 and peaked in 2016 (14 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 10 | 10 | #7,941 |
| 2024 | 11 | 11 | #7,500 |
| 2022 | 8 | 8 | #9,412 |
| 2021 | 6 | 6 | #11,428 |
| 2020 | 8 | 8 | #9,125 |
| 2018 | 8 | 8 | #9,215 |
| 2017 | 8 | 8 | #9,266 |
| 2016 | 14 | 14 | #6,186 |
| 2015 | 5 | 5 | #13,036 |
| 2014 | 8 | 8 | #9,206 |
| 2013 | 8 | 8 | #9,216 |
| 2012 | 9 | 9 | #8,506 |
| 2011 | 10 | 10 | #7,785 |
| 2010 | 7 | 7 | #10,207 |
| 2008 | 6 | 6 | #11,805 |
| 2007 | 6 | 6 | #11,645 |
| 2005 | 6 | 6 | #10,772 |