Olly is a very rare name used for both girls and boys that peaked in 2021 and has grown less common since.
Olly is predominantly a boy name. In 2025 it ranked #7,543 for boy births in the United States (and #15,821 across all names), given to 11 babies. Olly first appears in 1925 and peaked in 2021 (15 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 11 | 11 | — | #7,543 |
| 2024 | 11 | 11 | — | #7,617 |
| 2023 | 10 | 10 | — | #8,094 |
| 2022 | 13 | 13 | #14,857 | #10,566 |
| 2021 | 20 | 20 | #17,047 | #5,959 |
| 2020 | 12 | 12 | — | #6,923 |
| 2019 | 14 | 14 | #17,359 | #8,686 |
| 2018 | 12 | 12 | — | #7,010 |
| 2017 | 10 | 10 | — | #7,982 |
| 2016 | 14 | 14 | — | #6,261 |
| 2015 | 7 | 7 | — | #10,317 |
| 2014 | 5 | 5 | — | #13,493 |
| 1941 | 5 | — | — | #3,872 |
| 1925 | 5 | — | #5,582 | — |