Total babies named Ostara (all years): 75
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 11 / #9377 / 0.001% |
| 2023 | 7 / #13113 / 0.000% |
| 2022 | 11 / #9511 / 0.001% |
| 2021 | 11 / #9397 / 0.001% |
| 2020 | 9 / #10883 / 0.001% |
| 2019 | 14 / #8043 / 0.001% |
| 2016 | 7 / #13990 / 0.000% |
| 2011 | 5 / #18867 / 0.000% |