Baby Names US
boys' name ★ peaked 1950

Lenn

Meaning Spelling variant of Len Gender Boy · 1% girls Rank 2025 Below top lists

Spelling variant of Len.

Rank 2025
–
among boys
Babies in 2025
<5
named Lenn
How common
–
boys born in 2025
Peak year
1950
21 babies
All-time total
521
#7,763 all-time among boys
First recorded
1913
in Social Security records

Lenn popularity over time

521 babies have been named Lenn since 1913, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
00.010.010.0218801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – 38 38 4 – #2,337
1920s – 23 23 2 -39% #4,074
1930s – 42 42 4 +83% #2,489
1940s – 48 48 5 +14% #2,717
1950s 6 149 155 16 +223% #1,879
1960s – 113 113 11 -27% #2,110
1970s – 69 69 7 -39% #3,548
1980s – 26 26 3 -62% #4,414
1990s – – – – – –
2000s – – – – – –
2010s – 7 7 1 – #10,386
2020s (to 2025) – – – – – –

The story of Lenn

Lenn is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1913, 521 American babies have been named Lenn. Its peak came in 1950, when 21 newborns received the name, the signature sound of the 1950s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Lenn stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Lenn?

The median living Lenn is about 64 years old; half are between 54 and 71. An estimated 300 people named Lenn are alive in the United States today.

median 64 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Lenn year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 – – – –
2024 – – – –
2023 – – – –
2022 – – – –
2021 – – – –
2020 – – – –
2019 – – 7 #10,386
2018 – – – –
2017 – – – –
2016 – – – –
2015 – – – –
2014 – – – –
2013 – – – –
2012 – – – –
2011 – – – –
2010 – – – –
2009 – – – –
2008 – – – –
2007 – – – –
2006 – – – –
2005 – – – –
2004 – – – –
2003 – – – –
2002 – – – –
2001 – – – –
2000 – – – –
1995 – – – –
1990 – – – –
1985 – – 5 #7,147
1980 – – – –
1975 – – 6 #5,178
1970 – – 7 #4,080
1965 – – 12 #2,422
1960 – – 14 #2,269
1955 – – 10 #2,685
1950 6 #5,031 15 #1,982
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – 6 #4,074
1915 – – 5 #4,144
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Lenn

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Lenín Moreno Lenín Moreno President of Ecuador from 2017 to 2021 b. 1953 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Lenn, drawn from the same Social Security data as the charts above.

How old is the average Lenn?

The median living Lenn is about 64 years old. Half of all living Lenns are between 54 and 71 years old.

How many people named Lenn are alive today?

An estimated 300 people named Lenn are alive in the United States, based on 521 recorded births and Social Security life tables.

What does the name Lenn mean?

Spelling variant of Len.

How popular is the name Lenn in 2025?

Lenn did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Lenn?

521 babies have been named Lenn in the United States since 1913, based on Social Security card applications.

When was the name Lenn most popular?

Lenn peaked in 1950, when 21 newborns received the name.

Is Lenn a boy or girl name?

Lenn is overwhelmingly a boy's name: 99% of babies with the name.

Is the name Lenn rising or falling?

Lenn has been roughly stable over the past decade.

Who are famous people named Lenn?

Well-known people named Lenn include Lenín Moreno (politician).

Names like Lenn

Names that sound and feel close to Lenn: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Lenn with similar names → More names starting with L →