Total babies named Petronila (all years): 64
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 8 / #11862 / 0.001% |
| 2020 | 10 / #10089 / 0.001% |
| 2019 | 9 / #11163 / 0.001% |
| 2015 | 8 / #12726 / 0.000% |
| 1976 | 5 / #10419 / 0.000% |
| 1935 | 5 / #4759 / 0.000% |
| 1919 | 9 / #3406 / 0.001% |
| 1917 | 5 / #5167 / 0.000% |
| 1888 | 5 / #1440 / 0.003% |