Total babies named Lennyn (all years): 786
| Year | Girls (count / rank / %) |
|---|---|
| 2024 | 110 / #1827 / 0.007% |
| 2023 | 93 / #2082 / 0.006% |
| 2022 | 99 / #1984 / 0.006% |
| 2021 | 72 / #2471 / 0.004% |
| 2020 | 63 / #2671 / 0.004% |
| 2019 | 46 / #3427 / 0.003% |
| 2018 | 32 / #4412 / 0.002% |
| 2017 | 42 / #3668 / 0.002% |
| 2016 | 46 / #3445 / 0.003% |
| 2015 | 23 / #5761 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 2014 | 18 / #6880 / 0.001% |
| 2013 | 7 / #14024 / 0.000% |
| 2012 | 8 / #12904 / 0.000% |
| 2011 | 7 / #14186 / 0.000% |
| 2010 | — |
| 2009 | 5 / #18967 / 0.000% |
| 2008 | — |
| 2007 | — |
| 2003 | — |
| 2001 | — |