Total babies named Ero (all years): 57
| Year | Boys (count / rank / %) |
|---|---|
| 2024 | 5 / #12822 / 0.000% |
| 2023 | 6 / #11239 / 0.000% |
| 2022 | 6 / #11276 / 0.000% |
| 2020 | 6 / #11018 / 0.000% |
| 2019 | 6 / #11180 / 0.000% |
| 2018 | 8 / #9069 / 0.000% |
| 2016 | 5 / #12795 / 0.000% |
| 2015 | 5 / #12639 / 0.000% |
| 1920 | 5 / #4510 / 0.000% |
| 1915 | 5 / #4004 / 0.001% |