Lennyn
Lennyn was the 1552nd most popular name for girls in 2025, given to 136 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 4,210 places. More babies were named Lennyn in the 2020s than in any other decade.
Meaning (as Lennon) Origin uncertain · Irish
- Rank in 2025
- #1,552 girls, up 1,122 places since 2020
- Babies in 2025
- 136girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2025136 babies
- Total since 1880
- 930babies recorded
What does the name Lennyn mean?
Lennyn is a spelling of Lennon, pronounced the same way, so it shares Lennon's meaning and origin.
Lennon is an Irish surname with two sources, according to Wiktionary and Wikipedia: Ó Leannáin, 'descendant of Leannán', from leannán, 'lover, sweetheart', and Ó Lonáin, 'descendant of Lonán', from lon, 'blackbird'. Wiktionary notes that it is best known as the surname of John Lennon of the Beatles, and its modern use as a first name, for both boys and girls, is tied to him.
leannán (Irish, “lover, sweetheart”)lon (Irish, “blackbird”)
How sure is this? Uncertain. Two Irish surname sources ('lover' and 'blackbird'); either may apply.
Related names: Lennan, Lennox.
See also: Irish names.
Sources for this meaning
- Wiktionary, entry 'Lennon', Wiktionary (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Lennon (name)', Wikipedia (Wikimedia Foundation); facts restated, no text reused
Lennyn popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | #1,552 | #11,453 | 136 | 6 |
| 2020 | #2,674 | — | 63 | — |
| 2010 | — | #13,481 | — | 5 |
| 2000 | — | — | — | — |
| 1990 | — | — | — | — |
| 1980 | — | — | — | — |
| 1970 | — | — | — | — |
| 1960 | — | — | — | — |
| 1950 | — | — | — | — |
| 1940 | — | — | — | — |
| 1930 | — | — | — | — |
| 1920 | — | — | — | — |
| 1910 | — | — | — | — |
| 1900 | — | — | — | — |
| 1890 | — | — | — | — |
| 1880 | — | — | — | — |
How popular is Lennyn, counting every spelling?
Lennyn is a spelling of Lennon, a name family that ranked #221 for girls in 2025 once every spelling is counted together, compared with #1,552 for Lennyn on its own. Together these spellings went to 1,570 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Lennon | 1,421 | #214 | 6,595 |
| Lennyn | 136 | #1,552 | 512 |
| Lennan | 6 | #14,188 | 42 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Lennyn?
136 of the 3,606,400 babies born in the US in 2025 were named Lennyn (0.04 per 1,000 births). For a girl named Lennyn born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 62 (of 430 pupils) would have a child named Lennyn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Lennyn?
About 800 people born in the US named Lennyn are alive today, with a median age of 4; half are between 2 and 7. That makes Lennyn a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Lennyn by state
How common Lennyn was among girls born in each state in 2021–2025. It is notably more common than nationally in Wisconsin (3.1×), Michigan (2.9×). In 34 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Lennyn: their share of US girls followed the most similar curve since 1880. If you like Lennyn, they share its era and feel.
Questions about the name Lennyn
What does Lennyn mean?
The origin of Lennon is uncertain: two Irish surname sources ('lover' and 'blackbird'); either may apply.
How popular is the name Lennyn?
Lennyn was the 1552nd most popular name for girls in 2025, given to 136 babies. That is its highest rank since records began in 1880. Over the last ten years it has moved up 4,210 places. More babies were named Lennyn in the 2020s than in any other decade.
Is Lennyn a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Lennyn in the US.
Where is Lennyn most popular?
In 2021–2025, Lennyn was most common in South Dakota (1.26 per 1,000 girls), followed by Iowa and Wisconsin.