Lennie Girl
How popular is Lennie?
#2,542 girl name in 2025
69 baby girls were named Lennie in the US in 2025, making it the 2542nd most popular girl name. Another 8 boys got the name (#8,906 for boys).
Lennie popularity over time
Boys Girls
| Rank in 2025 | #2,542 for girls (▲ 577 from 2024) |
|---|---|
| Babies in 2025 | 69 girls, 8 boys |
| 10-year trend | Rising fast (+590% babies vs 2015) |
| Earlier ranks | #10,143 in 2015, #5,663 in 2020 |
| Peak year | 1915 (123 girls) |
| Highest rank | #349 in 1884 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 12% boys, 88% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Lennie 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 Lennie is most popular
Babies named Lennie per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
Lennie by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1880s | 234 | #349 |
| 1890s | 417 | #355 |
| 1900s | 511 | #430 |
| 1910s | 869 | #519 |
| 1920s | 746 | #692 |
| 1930s | 489 | #865 |
| 1940s | 476 | #1,041 |
| 1950s | 341 | #1,395 |
| 1960s | 178 | #2,195 |
| 1970s | 138 | #2,955 |
| 1980s | 60 | #5,253 |
| 1990s | 17 | #10,263 |
| 2000s | 5 | #15,426 |
| 2010s | 94 | #5,817 |
| 2020s | 260 | #2,542 |
Girl names about as popular as Lennie
Questions
- Is Lennie a boy or girl name?
- Lennie is mostly a girl name. Over the last 10 years, 88% of babies named Lennie were girls.
- How popular is the name Lennie?
- 69 baby girls were named Lennie in the US in 2025, making it the 2542nd most popular girl name. Another 8 boys got the name (#8,906 for boys).
- When was Lennie most popular?
- Lennie peaked in 1915, when 123 girls were given the name. Its highest rank was #349 in 1884.
- How many people are named Lennie?
- 7,725 babies have been named Lennie in the US since 1880. We estimate about 3,195 of them are alive in 2026, with a median age of 63.
- Where is Lennie most popular?
- From 2021 to 2025, Lennie was most common in Nebraska, 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.