Lennyn
Girl name · #1560 in 2025 · Uniqueness 36/100
Lennyn ranks #1560 among American girls' names as of 2025, with 136 newborns given the name that year. A decade ago it stood at #5653, so the name has been rising over the past ten years. Roughly one in every 13,235 girls born in 2025 was named Lennyn.
The 16-year story
Lennyn first appears in the Social Security records in 2009, when 5 girls received the name. Its all-time peak is essentially right now: 2025, with 136 babies and a rank of #1548. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Lennyn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Lennyn against up to 5 other names.
Uniqueness: will there be another Lennyn in class?
Lennyn scores 36 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Lennyn is most common
Geography matters for names, and Lennyn is no exception. In 2025 the states with the most Lennyns were MI (14), PA (10), OH (9), FL (8), MN (7). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Lennyn
Statistically, parents drawn to Lennyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Ellowyn, Blessyn, Lowen, Maevyn, and Scottlyn.
EllowynBlessynLowenMaevynScottlynLakelynHollynScotlyn
Rank history (last 25 years)
| Year | Babies named Lennyn | Rank |
|---|---|---|
| 2025 | 136 | #1548 |
| 2024 | 112 | #1796 |
| 2023 | 93 | #2076 |
| 2022 | 99 | #1974 |
| 2021 | 72 | #2460 |
| 2020 | 63 | #2659 |
| 2019 | 46 | #3388 |
| 2018 | 32 | #4357 |
| 2017 | 42 | #3627 |
| 2016 | 46 | #3411 |
| 2015 | 23 | #5653 |
| 2014 | 18 | #6713 |
| 2013 | 7 | #13150 |
| 2012 | 8 | #12199 |
| 2011 | 7 | #13347 |
| 2009 | 5 | #17294 |
Frequently asked questions
Is Lennyn a popular girl name?
Lennyn ranked #1560 among girls in 2025 with 136 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5653.
When was the name Lennyn most popular?
Lennyn peaked in 2025, when 136 American girls received the name (ranked #1548 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Lennyn?
In 2025, roughly 1 in 13,235 newborn American girls was named Lennyn. It scores 36/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.