Lennan
- Gender
- Boy
- Say it
- LEN-on
- Origin
- Irish
- US rank, 2025
- #13,203 for girls
Lennan is a boys' name of Irish origin, meaning “lover, sweetheart”. In 2025 it ranked 13,203rd for girls in the US (6 babies).
What does Lennan mean?
Irish: spelling of Lennon; from the Irish surname Ó Leannáin
“lover, sweetheart”
From the Irish surname Ó Leannáin, best known through John Lennon of the Beatles.
Meaning borrowed from Lennon. More on Wiktionary.
Is Lennan a girl's or a boy's name?
Lennan is a boys' name. In 2025, it was given to 6 girls in the US. Too few boys were given it to be listed.
How popular is Lennan in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2005, with 6 boys.
Lennan in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2011 | 3 | #4,837 |
| 2010 | 5 | #3,478 |
| 2009 | 6 | #2,970 |
| 2008 | 1 | #5,936 |
| 2007 | 1 | #5,736 |
| 2006 | 1 | #5,377 |
| 2005 | 6 | #2,545 |
| 2004 | 5 | #2,691 |
| 2003 | 0 | – |
| 2002 | 2 | #4,226 |
| 2001 | 0 | – |
| 2000 | 0 | – |
| 1999 | 0 | – |
| 1998 | 1 | #3,884 |
How popular is Lennan in the US?
- Rank in 2025
- #13,203among girls
- Babies in 2025
- 6about 1 in 270,000 girls
- Five-year trend
- Too rare to calltoo few babies to tell
- Same name in a class
- under 1%chance among 15 girls
In 2025, 6 girls in the US were named Lennan, making it the 13,203rd most popular name for girls. Five years earlier, in 2020, it was 8,948th. Its busiest year was 2016, with 25 girls. It first appears in the records in 2013.
2025 had the fewest girls named Lennan since it first appeared, in 2013.
Half of all the girls named Lennan in the US since 1880 were born between 2016 and 2021, the years shaded on the chart below.
In 2025, 1,563 girls in the US were given Lennan or a name that sounds the same. With every name's spellings counted this way, that ranks #229, up from #13,203 for this spelling alone.
Lennan in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 6 | #13,203 |
| 2024 | 11 | #8,941 |
| 2023 | 7 | #12,192 |
| 2022 | 10 | #9,674 |
| 2021 | 8 | #11,141 |
| 2020 | 11 | #8,948 |
| 2019 | 15 | #7,338 |
| 2018 | 10 | #9,801 |
| 2017 | 10 | #9,939 |
| 2016 | 25 | #5,283 |
| 2015 | 12 | #8,926 |
| 2014 | 9 | #10,949 |
| 2013 | 12 | #9,031 |
Nicknames for Lennan
Names like Lennan
Names given in the same years and the same naming tradition, with a similar sound.
Aiden Declan Keegan Brogan Kian Regan Keelan Conlan Keenan Brayden Rogan Conan
Other spellings of Lennan
Names related to Lennan
More Irish names
Oscar Rowan Rory Maeve Finn Ryan Nolan Quinn Orla Cody Erin Ronan Connor Casey Kennedy Callan
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Lennan: name meaning, origin and popularity”, https://www.nameling.co.uk/names/lennan, updated 20 October 2026.