unisex name
Lenni
- Origin Finnish
- Gender Unisex
- Letters 5
- Popularity Uncommon
- Births on record 893
Ireland
#864
2022 births
Lenni is a unisex name. It is given to both girls and boys — about 51% of recorded births with this name are girls. In 2025 it was given to 46 babies in the United States. It is used consistently but remains uncommon.
- Lenni is a name of Finnish origin.
- Peaked in 2023, when 52 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 72,077 babies in the United States is given this name.
- First appears in US birth records in 1966.
Lenni over time
Births per decade in the United States, 1960s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1960s | 5 |
| 1970s | 6 |
| 2010s | 101 |
| 2020s (to 2025) | 245 |
How popular is Lenni?
In 2025, Lenni was given to 46 babies in the United States. It is used consistently but remains uncommon.
Where Lenni is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Lenni
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Lenni also like
Names whose popularity has risen and fallen in step with Lenni over the last century — the same taste, a different name.
Lenni in other languages
The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.
Sibling names for Lenni
Names from the same era that won't rhyme or share an initial with Lenni — the two things that make a sibling set grate.
Common questions about Lenni
How popular is the name Lenni?
In 2025, Lenni was given to 46 babies in the United States. It is used consistently but remains uncommon.
Is Lenni a girl's or a boy's name?
Lenni is used for both girls and boys. About 51% of recorded births with this name are girls.
When was Lenni most popular?
Lenni peaked in 2023, when 52 babies were given the name. It has been rising over the past decade.
Is Lenni a good name?
That is not something records can settle, but they can tell you what you would be choosing. Lenni currently ranks #2,310 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.