Lenni Girl
How popular is Lenni?
#3,341 girl name in 2025
46 baby girls were named Lenni in the US in 2025, making it the 3341st most popular girl name.
Lenni popularity over time
Boys Girls
| Rank in 2025 | #3,341 for girls (▲ 118 from 2024) |
|---|---|
| Babies in 2025 | 46 girls |
| 10-year trend | Rising fast (+475% babies vs 2015) |
| Earlier ranks | #11,830 in 2015, #4,451 in 2020 |
| Peak year | 2023 (52 girls) |
| Highest rank | #3,140 in 2023 |
| First recorded | 1966 |
| Boys vs girls (last 10 years) | 5% boys, 95% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Lenni counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Leni family of names ranked #741 for girls in 2025 (#778 the year before), with 348 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Leni | 197 | 57% |
| Lennie | 69 | 20% |
| Lenni | 46 | 13% |
| Leani | 15 | 4% |
| Leanny | 15 | 4% |
| Leanni | 6 | 2% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Lenni is most popular
Babies named Lenni per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Minnesota: 0.1 per 1,000 (6 girls)
- Michigan: 0.1 per 1,000 (10 girls)
- Pennsylvania: 0.0 per 1,000 (10 girls)
- Florida: 0.0 per 1,000 (5 girls)
- Texas: 0.0 per 1,000 (5 girls)
Lenni by decade
Girl names about as popular as Lenni
Questions
- Is Lenni a boy or girl name?
- Lenni is mostly a girl name. Over the last 10 years, 95% of babies named Lenni were girls.
- How popular is the name Lenni?
- 46 baby girls were named Lenni in the US in 2025, making it the 3341st most popular girl name.
- When was Lenni most popular?
- Lenni peaked in 2023, when 52 girls were given the name. Its highest rank was #3,140 in 2023.
- How many people are named Lenni?
- 357 babies have been named Lenni in the US since 1880. We estimate about 355 of them are alive in 2026, with a median age of 4.
- Where is Lenni most popular?
- From 2021 to 2025, Lenni was most common in Minnesota, at 0.1 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.