Lennyn
#1,552 in 2025UnisexGirls' nameBoys' nameMeaning not yet documented
Lennyn has been given to 930 babies in the U.S. since 2009. In 2025 it ranked #1,552 of 17,293 girls’ names in use. Its peak year was 2025, with 136 recorded. It's used for both sexes: 87% girls, 13% boys all-time.
Babies named Lennyn, 2025
1 in 24,400
Lennyn over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Lennyn over time
In 2025, Lennyn went to 96% girls and 4% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Lennyn?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 24,400
- 136 of 3,315,165 births
- Among girls only
- 1 in 11,800
- <0.01% of girls
- Rank, 2025
- #1,552
- of 17,293 girls’ names in use
- Coin-flip room size
- 16,897 kids
- Even odds of a second one
Where Lennyn sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 16,897 children born in 2025 and it's an even bet that one of them is another Lennyn. In a class of 30 the chance is Under 1%.
When Lennyns were born
Half of everyone ever recorded as Lennyn was born before 2022 — so the typical Lennyn is around 3 today.
- Biggest decade
- 2020s
- 71.1% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 809
- People you could plausibly meet
2020s — 71.1% of all recorded uses (575).
Is Lennyn rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- +248
- Places climbed
- Rank vs 5 years ago
- +1,122
- Places climbed
- Rank vs 10 years ago
- +4,208
- Places climbed
- Births vs 10 years ago
- 5.91×
- More babies than then
- Share of its own peak
- 100.0%
- Peak was 2025 (136)
- Years since peak
- Peaking now
- At its all-time high
- Year-to-year steadiness
- Volatile
- 37.5% average annual change
Spellings of Lennyn
Lennyn is not the most common spelling — Penny is, with 35.8% against Lennyn's 0.29%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Where Lennyn is used
Across 2016–2025, Lennyn was most concentrated in South Dakota — about 1 in 1,613 girls, against 1 in 35,693 across all states with data. It was least common in Texas (1 in 100,000).
Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.
Lennyn around the world
Where Lennyn ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- Canada2015–2024#1,286in 2024
Popularity data from Statistics Canada. StatCan data under Statistics Canada Open Licence.
Lennyn by the numbers
The raw record for each sex the name is used for.
As a girl's name
Names similar to Lennyn
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Lennyn
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.