Jacai is a very rare variant of Jack that peaked in 2012 and remains in steady use.
Jacai is a boy name. In 2025 it ranked #9,233 for boy births in the United States (and #19,079 across all names), given to 8 babies. Jacai first appears in 2006 and peaked in 2012 (14 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 8 | 8 | #9,233 |
| 2024 | 14 | 14 | #6,303 |
| 2023 | 9 | 9 | #8,507 |
| 2022 | 8 | 8 | #9,326 |
| 2021 | 8 | 8 | #9,169 |
| 2020 | 12 | 12 | #6,778 |
| 2019 | 9 | 9 | #8,469 |
| 2018 | 7 | 7 | #10,085 |
| 2017 | 8 | 8 | #9,184 |
| 2016 | 13 | 13 | #6,493 |
| 2015 | 10 | 10 | #7,710 |
| 2014 | 9 | 9 | #8,406 |
| 2013 | 11 | 11 | #7,228 |
| 2012 | 14 | 14 | #6,113 |
| 2011 | 6 | 6 | #11,396 |
| 2010 | 9 | 9 | #8,384 |
| 2009 | 7 | 7 | #10,279 |
| 2006 | 5 | 5 | #12,785 |