boys' name · peaked 1958

Len

A diminutive of the male given name Leonard.

Every Len since 1880 — 4,616 of them. Popularity, births, and rankings for each year, from official Social Security records.

Measure
Births per 1,000 babies of that sex — comparable across eras
0.040.080.110.1518801900192019401960198020002020BoysGirls
BoysGirls
Rank 2025
#9,377
among boys
Babies in 2025
8
named Len
Peak year
1958
125 babies
All-time total
4,616
since 1880

The story of Len

Len is rare for boys in the United States, ranked #9,377 in 2025 with 8 babies given the name. It is currently holding steady compared with a decade ago.

Since 1880, 4,616 American babies have been named Len. Its peak came in 1958, when 125 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 Len stood among all boys' names in any year, or use the compare tool to plot it against other names.

Len 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 8 #9,377
2024 8 #9,511
2023 12 #7,128
2022 11 #7,547
2021 7 #10,356
2020 7 #10,178
2019 9 #8,608
2018 10 #7,935
2017 8 #9,365
2016 10 #7,923
2015 12 #6,918
2014 15 #5,891
2013 8 #9,317
2012 14 #6,195
2011 9 #8,500
2010 13 #6,582
2009 12 #7,074
2008 5 #13,766
2007 10 #7,944
2006 12 #6,730
2005 11 #6,914
2004 9 #7,927
2003 10 #7,039
2002 5 #11,760
2001 8 #8,014
2000 12 #5,770
1995 13 #4,687
1990 14 #4,105
1985 24 #2,266
1980 26 #2,087
1975 32 #1,611
1970 5 #8,711 114 #773
1965 77 #842
1960 121 #713
1955 77 #841
1950 8 #4,156 66 #841
1945 54 #857
1940 47 #935
1935 38 #1,052
1930 36 #1,185
1925 29 #1,379
1920 44 #1,060
1915 28 #1,254
1910 10 #1,085
1905 11 #774
1900 10 #877
1895
1890 11 #622
1885 14 #514
1880 7 #780

Famous people named Len

  1. León Febres Cordero Politician · 1931–2008
  2. Len Deighton Writer · b. 1929
  3. Len Cariou Actor · b. 1939
  4. León Felipe Writer · 1884–1968
  5. Len Wiseman Film director · b. 1973

Ranked by global fame across Wikipedia editions (Pantheon project, MIT).

Frequently asked questions

What does the name Len mean?

A diminutive of the male given name Leonard.

How popular is the name Len in 2025?

Len ranked #9,377 among boys' names in the United States in 2025, with 8 babies given the name, according to Social Security Administration data.

How many people are named Len?

4,616 babies have been named Len in the United States since 1880, based on Social Security card applications.

When was the name Len most popular?

Len peaked in 1958, when 125 newborns received the name.

Is Len a boy or girl name?

Len is overwhelmingly a boy's name — 98% of babies with the name.

Is the name Len rising or falling?

Len has been roughly stable over the past decade.

Who are famous people named Len?

Well-known people named Len include León Febres Cordero (politician), Len Deighton (writer), Len Cariou (actor).

Names like Len

Compare Len with similar names →