Lennon: Statistics About The Baby Name Lennon
| Year | Boy Rank | # Boys | % Boys | Girl Rank | # Girls | % Girls |
| 2023 | 754 | 344 | 0.0188% | 243 | 1,255 | 0.0717% |
| 2022 | 668 | 406 | 0.0218% | 229 | 1,309 | 0.0734% |
| 2021 | 670 | 399 | 0.0214% | 236 | 1,268 | 0.0713% |
| 2020 | 690 | 368 | 0.0200% | 299 | 1,072 | 0.0608% |
| 2019 | 711 | 343 | 0.0180% | 388 | 793 | 0.0435% |
| 2018 | 675 | 367 | 0.0190% | 431 | 724 | 0.0392% |
| 2017 | 667 | 379 | 0.0193% | 445 | 705 | 0.0376% |
| 2016 | 598 | 449 | 0.0223% | 479 | 653 | 0.0339% |
| 2015 | 609 | 440 | 0.0217% | 516 | 604 | 0.0312% |
| 2014 | 691 | 358 | 0.0176% | 699 | 399 | 0.0206% |
| 2013 | 769 | 289 | 0.0144% | 923 | 273 | 0.0143% |
| 2012 | 814 | 269 | 0.0134% | * | * | * |
| 2011 | 745 | 302 | 0.0150% | * | * | * |
| 2010 | 918 | 219 | 0.0108% | * | * | * |
| 2009 | 951 | 210 | 0.0100% | * | * | * |
| 2008 | 982 | 199 | 0.0093% | * | * | * |
| * No data shown indicates the name was not among the top 1000 most popular names for that year. | ||||||