Kayston is a very rare boys' name that peaked in 2017 and remains in steady use.
Kayston is a boy name. In 2025 it ranked #7,954 for boy births in the United States (and #16,603 across all names), given to 10 babies. Kayston first appears in 2010 and peaked in 2017 (14 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 10 | 10 | #7,954 |
| 2024 | 11 | 11 | #7,514 |
| 2023 | 10 | 10 | #8,003 |
| 2022 | 12 | 12 | #7,034 |
| 2021 | 11 | 11 | #7,370 |
| 2020 | 5 | 5 | #13,112 |
| 2019 | 8 | 8 | #9,322 |
| 2018 | 5 | 5 | #13,184 |
| 2017 | 14 | 14 | #6,196 |
| 2016 | 6 | 6 | #11,467 |
| 2015 | 12 | 12 | #6,890 |
| 2014 | 11 | 11 | #7,301 |
| 2013 | 6 | 6 | #11,477 |
| 2012 | 8 | 8 | #9,305 |
| 2010 | 7 | 7 | #10,233 |