Len

Last seen for girls in 1972 at #8,292 · #8,910 for boys in 2025, 8 births
Given to boys 97.8% of the time

Showing
Show data for
Peak · boys
1885 · 14 births
Debut · boys
7 births
In top 100 · boys
never
of 146 years
Total births · boys
4,514
since 1880

Len over time

boys

Rank among boys' names. Len has never cracked the top 400 here.

#1#10#100#1,000#10,000rank188019001920194019601980200020201939peak #498, 1885boys
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025—#8,9108
2024—#8,9878
2023—#6,89712
2022—#7,26211
2021—#9,7147
2020—#9,5547
2019—#8,2159
2018—#7,61710
2017—#8,8408
2016—#7,60510
2015—#6,67612
2014—#5,73315
2013—#8,7898
2012—#6,00114
2011—#8,0799
2010—#6,35913
2009—#6,80212
2008—#12,5535
2007—#7,59010
2006—#6,46012
2005—#6,63411
2004—#7,5369
2003—#6,71510
2002—#10,6675
2001—#7,5368
2000—#5,58812
1999—#7,1398
1998—#5,84010
1997—#4,96012
1996—#4,61313
1995—#4,50813
1994—#5,45210
1993—#5,7719
1992—#5,6609
1991—#3,81315
1990—#3,97114
1989—#2,98920
1988—#3,35015
1987—#2,55921
1986—#2,77918
1985—#2,22624
1984—#2,82416
1983—#2,20823
1982—#2,26922
1981—#2,20423
1980—#2,05826
1979—#1,86729
1978—#1,87027
1977—#1,74330
1976—#1,33344
1975—#1,59332
1974—#1,38838
1973—#1,09355
1972#8,2925#1,10754
1971—#96571
1970#7,9955#773114
1969—#81789
1968#7,0165#80585
1967—#84871
1966—#86071
1965—#83777
1964#4,35510#79290
1963—#80389
1962#4,8658#78694
1961#5,3097#739109
1960—#713121
1959#4,3009#78296
1958#5,4086#690119
1957#4,5368#77594
1956#5,3256#84079
1955—#83677
1954—#87670
1953#4,2268#81378
1952#4,4837#73392
1951—#91958
1950#3,9628#83666
1949#5,2445#92356
1948—#78376
1947—#75383
1946—#81265
1945—#85054
1944—#90649
1943—#1,00644
1942—#1,11937
1941—#90549
1940—#92947
1939—#95443
1938—#1,04338
1937—#1,11934
1936—#1,16932
1935—#1,04038
1934—#1,13334
1933—#1,25128
1932#4,4115#1,07739
1931—#1,10238
1930—#1,17336
1929—#1,23732
1928—#1,18836
1927—#1,56124
1926—#1,37928
1925—#1,36029
1924—#1,49226
1923—#1,32230
1922—#1,28232
1921—#1,26733
1920—#1,04544
1919—#1,26431
1918—#1,19234
1917—#1,15234
1916—#1,17631
1915—#1,24128
1914—#1,34220
1913—#1,07522
1912—#91824
1911—#1,2908
1910—#1,04510
1909—#89311
1908——
1907—#69914
1906—#64014
1905—#74111
1904—#8109
1903—#7839
1902—#7949
1901——
1900—#83610
1899—#8577
1898—#8857
1897—#9426
1896—#59213
1895——
1894—#7878
1893—#9076
1892—#8617
1891——
1890—#60311
1889—#8786
1888—#64810
1887—#6798
1886—#8456
1885—#49814
1884—#61310
1883—#59710
1882—#6529
1881—#53311
1880—#7457
First appearance
1880

In the first year the SSA published name data, Len was already there! It came in at #745, and was given to 7 baby boys.


Quietest stretch: 1891, when fewer than 5 boys a year got the name.

Where Len is popular in 1939

No state had 5 or more boys named Len in 1939, so the SSA doesn't publish it for any state.

See more about Len
Momentum · boys
Holding steady
  • 77 spots since 2024 (#8,987 → #8,910)
  • 644 spots since 2020 (#9,554 → #8,910)
  • 2,234 spots since 2015 (#6,676 → #8,910)
  • Biggest jump: 372 spots in 1912 (#1,290 → #918)
  • Biggest drop: 350 spots in 1897 (#592 → #942)
Rise & fade · boys
5 yrs to peak
  • Debuted 1880
  • Peaked 1885 at #498 (14 births)
  • Births halved by 1886, 1 yr later
Top of the charts · boys
Top 1,000 for 58 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 58 yrs · run 1944–1971
Share of babies · boys
1 in 7,700
  • Highest: 1 in 7,700 boys born in 1885 were named Len (0.01%)
  • Latest: 1 in 213,509 boys born in 2025 (0.00%)
Era · boys
The 1960s
  • 19.8% of all boys named Len (896) were born in this decade
Show by decade
DecadeBirthsBest rankAvg rank
1880s91#498 (1885)#669
1890s65#592 (1896)#804
1900s87#640 (1906)#775
1910s242#918 (1912)#1,170
1920s314#1,045 (1920)#1,313
1930s360#954 (1939)#1,106
1940s560#753 (1947)#899
1950s829#690 (1958)#810
1960s896#713 (1960)#800
1970s494#773 (1970)#1,373
1980s208#2,058 (1980)#2,547
1990s113#3,813 (1991)#5,173
2000s94#5,588 (2000)#7,808
2010s108#5,733 (2014)#7,391
2020s53#6,897 (2023)#8,554

All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.

Len in 1939

boys
#954
43 births · 1 in 25,741 boys

Top boys' names in 1939

  1. #1Robert59,666
  2. #2James59,636
  3. #3John51,025
  4. #4William42,071
  5. #5Richard35,386
  6. #6Charles30,789
  7. #7David25,360
  8. #8Donald24,056
  9. #9Thomas22,129
  10. #10Ronald19,837
  11. #954Len43
More about 1939

boys

1,106,852 boys got a published name in 1939; 1 in 25,741 of them was named Len, which outranked 76.0% of the 3,968 boys' names that year. The ten most popular names covered 33.4% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Len
  1. #942Otho44
  2. #942Richmond44
  3. #942Valentine44
  4. #954Len43
  5. #954Auther43
  6. #954Author43
  7. #954Cleve43
  8. #976Albin42
  9. #976Alfonzo42
  10. #976Alonza42

Tied with 21 names at #954; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1938
Risers
  1. ↑ 463Alfonzo#1,439 → #976
  2. ↑ 447Rod#1,439 → #992
  3. ↑ 443Estel#1,397 → #954
  4. ↑ 422Cameron#1,364 → #942
  5. ↑ 421Turner#1,337 → #916
Fallers
  1. ↓ 518Gonzalo#779 → #1,297
  2. ↓ 497Judge#992 → #1,489
  3. ↓ 396Melville#963 → #1,359
  4. ↓ 355Agustin#883 → #1,238
  5. ↓ 351Antone#921 → #1,272

Among names in the top 1,000 of either year.

See the top 100 for 1939 →