Kleo is a rare girls' name that has climbed to its highest level yet, peaking in 2024.
Kleo is predominantly a girl name. In 2025 it ranked #2,874 among girls (59) and #11,415 among boys (6) — overall #4,713 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 65 | 65 | #2,874 | #11,415 |
| 2024 | 65 | 65 | #2,872 | #10,461 |
| 2023 | 60 | 60 | #3,250 | #8,020 |
| 2022 | 45 | 45 | #3,798 | #13,457 |
| 2021 | 50 | 50 | #3,586 | #10,321 |
| 2020 | 25 | 25 | #5,105 | — |
| 2019 | 25 | 25 | #5,233 | — |
| 2018 | 20 | 20 | #6,148 | — |
| 2017 | 20 | 20 | #6,183 | — |
| 2016 | 9 | 9 | #11,362 | — |
| 2015 | 9 | 9 | #11,424 | — |
| 2014 | 7 | 7 | #13,877 | — |
| 2013 | 7 | 7 | #13,953 | — |
| 2012 | 7 | 7 | #14,307 | — |
| 2011 | 7 | 7 | #14,112 | — |
| 2005 | 5 | 5 | #17,945 | — |