Total babies named Lenni (all years): 311
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 45 / #3463 / 0.003% |
| 2023 | 52 / #3158 / 0.003% |
| 2022 | 29 / #4734 / 0.002% |
| 2021 | 32 / #4371 / 0.002% |
| 2020 | 30 / #4497 / 0.002% |
| 2019 | 25 / #5243 / 0.001% |
| 2018 | 13 / #8403 / 0.001% |
| 2017 | 20 / #6188 / 0.001% |
| 2016 | 15 / #7820 / 0.001% |
| 2015 | 8 / #12485 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 2014 | 9 / #11523 / 0.001% |
| 2013 | 6 / #15725 / 0.000% |
| 1977 | 6 / #9103 / 0.000% |
| 1966 | 5 / #7145 / 0.000% |