The baby name Lennon appears in baby name data for the United States from 1924 to 2024. It was most popular in 2022 with 1,691 babies given the name.
In the later years of this period, Lennon has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1924 | 10 |
| 1938 | 10 |
| 1956 | 6 |
| 1968 | 6 |
| 1981 | 6 |
| 1986 | 5 |
| 1995 | 5 |
| 2001 | 50 |
| 2002 | 23 |
| 2003 | 27 |
| 2004 | 37 |
| 2005 | 47 |
| 2006 | 46 |
| 2007 | 144 |
| 2008 | 174 |
| 2009 | 10 |
| 2009 | 138 |
| 2010 | 30 |
| 2010 | 163 |
| 2011 | 63 |
| 2011 | 285 |
| 2012 | 107 |
| 2012 | 247 |
| 2013 | 253 |
| 2013 | 281 |
| 2014 | 404 |
| 2014 | 365 |
| 2015 | 747 |
| 2015 | 495 |
| 2016 | 768 |
| 2016 | 511 |
| 2017 | 833 |
| 2017 | 428 |
| 2018 | 797 |
| 2018 | 387 |
| 2019 | 907 |
| 2019 | 332 |
| 2020 | 1,268 |
| 2020 | 344 |
| 2021 | 1,581 |
| 2021 | 483 |
| 2022 | 1,691 |
| 2022 | 388 |
| 2023 | 1,539 |
| 2023 | 341 |
| 2024 | 1,560 |
| 2024 | 301 |