Len
Boy nameLen has been given to 4,616 babies in the U.S. since 1880. It peaked in 1958.
Popularity over time births per year, 1880–2025
Total babies
4,616
Peak year
1958 (125 babies)
Rank in 2025
Below top 1000
First recorded
1880
10-year trend
▼ -33%
Gender split
2% girls / 98% boys
Rank through the decades
Len's rank among U.S. boy names at 25-year milestones.
| Year | Boys rank |
|---|---|
| 1900 | #877 |
| 1950 | #841 |
— means outside the top 1000 that year.
Spellings & variants
Names one letter away from Len — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Len.
FAQ
How popular is the name Len?
Len has been given to 4,616 babies in the U.S. since 1880. It ranked below the top 1000 in 2025.
When did the name Len peak?
Len peaked in 1958, when 125 babies were given the name.
Is Len a girl or boy name?
Len is primarily a boy name (98% of babies named Len are boys).
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