A 1890s favorite, climbing again.
Popularity of Lennie since 1880
Babies named Lennie per year in U.S. Social Security records. Raw births topped out in 1915, but relative to how few babies were recorded back then, Lennie's real moment was 1891.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1880s | 234 | 41 |
| 1890s | 417 | 46 |
| 1900s | 511 | 47 |
| 1910s | 869 | 160 |
| 1920s | 746 | 211 |
| 1930s | 489 | 191 |
| 1940s | 476 | 332 |
| 1950s | 341 | 584 |
| 1960s | 178 | 568 |
| 1970s | 138 | 320 |
| 1980s | 60 | 172 |
| 1990s | 17 | 88 |
| 2000s | 5 | 49 |
| 2010s | 94 | 57 |
| 2020s | 260 | 24 |
Meaning & origin
Lennie is a name with a distinctly vintage feel, first recorded in the United States in 1880. It reached its peak popularity in 1891, when it ranked 2,542 overall as of 2025, with roughly 1 in 23,294 newborns receiving the name that year. The name was especially popular in the 1890s and has been rising in use since 2008, as parents increasingly embrace old-fashioned nicknames as given names. Its top states historically are Utah and Missouri, reflecting a pattern of use in regions with strong pioneer heritage. Lennie's literary connection to Steinbeck's 'Of Mice and Men' gives it a classic American association, though the character's tragic fate has not hindered its revival.
Lennie originated as a diminutive of Leonard, a name of Germanic origin from the elements 'leon' (lion) and 'hard' (brave, hardy). It emerged in the 19th century as an affectionate nickname but was quickly adopted as an independent given name, especially in the United States. The name gained literary visibility through the character Lennie Small in John Steinbeck's 1937 novel 'Of Mice and Men'.
Where Lennie is most popular
Births per 100,000 girls by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.
“Lennie” around the world
Where Lennie lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
40
babies in 2024
Ireland
5
babies in 2025
Quebec
7
babies in 2025
Sources: INSEE (France) · CSO Ireland (Ireland) · Retraite Québec (Quebec).
Nicknames & variants
Nicknames: Len, Lenny
Sibling names for Lennie
Names that share Lennie's style, for a brother or sister.

