girl's name · in the US
Lenni
LEN-ee (English)
- Origin Finnish
- Gender Girl (US)
- Syllables 2
- Letters 5
- Popularity Uncommon
- Births on record 893
Lenni is a girl's name in the United States, with 2 syllables. 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.
- 2 syllables, with the stress on syllable 1.
Lenni Over Time
Births per decade in the United States, 1960s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1960s | 5 |
| 1970s | 6 |
| 1980s | 0 |
| 1990s | 0 |
| 2000s | 0 |
| 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.
Boys' or Girls' Name?
Lenni is used differently depending on where you are. Each figure is the share of babies given the name who were girls, over the last ten years of that country's records.
- United States Girls' 95% girls · 323 babies
- France Boys' 0% girls · 125 babies
- England & Wales Both 46% girls · 99 babies
- Canada Girls' 91% girls · 53 babies
How to Say Lenni
- English LEN-ee
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 do not 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.
How many syllables are in Lenni?
Lenni has 2 syllables.
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.