Boy

Len

Meaning not yet researched.

2025 rank
#9,377
8 boys
2015
#6,918
rank
1950
#841
rank

Len: US boys given the name each year, 1880 to 2025, from Social Security card applications. 8 in 2025. Its best rank was #514 in 1885.

US births per year · SSA card applications

Peaked at #514 in 1885; #9,377 in 2025. Every baby recorded as Len in 2025 was a boy.

Baby name · US data 1880–2025

#9,377 for US boys in 2025. Its best year was 1885, at #514.

Babies in 2025
8
Since 1880
4,616
Years on record
142

Babies named Len, every year since 1880

Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.

Boys

Len: US boys given the name each year from 1880 to 2025. 8 boys in 2025. Peak: #514 in 1885 · most boys in one year: 121 (1960).

About the name Len

In 2025, 8 US boys were named Len, making it the 9,377th most common boys’ name of the year, up 134 places from #9,511 in 2024. That is 0 more than the 8 boys named Len in 2024. Its best rank for boys was #514, reached in 1885. The most boys given the name in a single year was 121, in 1960. For comparison, it was #6,918 in 2015 and #841 in 1950.

Social Security card records list Len in 142 years of the 146 from 1880 to 2025, starting in 1880 with 7 babies. In all, 4,616 US babies have been given the name, 2.2% of them girls and 98% boys. Its busiest decade was the 1960s, with 926 babies named Len.

Over the 10 years from 2016 to 2025, 90 US boys were named Len; the busiest of those years was 2023, with 12. In 2025 that was about 1 in 213,510 of the boys in SSA’s list for the year.

Related spellings in the SSA files include Lenny (9,035 babies since 1880), Lynn (234,778 babies since 1880), Leon (184,074 babies since 1880) and Leann (24,363 babies since 1880).

Meaning

Meaning not yet researched.

We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.

Related spellings

Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.

Nicknames

No nicknames listed for Len in the open dataset we use.

Len is listed as a nickname for Jalen, Leonard.

Source: carltonnorthern/nicknames (Apache-2.0).

Rank by year

Births and national rank for each year SSA lists the name, newest first.

CSV
YearGirlsGirls rankBoysBoys 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
1999——8#7,571
1998——10#6,120
1997——12#5,151
1996——13#4,783
1995——13#4,687
1994——10#5,722
1993——9#6,037
1992——9#5,933
1991——15#3,940
1990——14#4,105
1989——20#3,043
1988——15#3,454
1987——21#2,610
1986——18#2,848
1985——24#2,266
1984——16#2,895
1983——23#2,249
1982——22#2,309
1981——23#2,243
1980——26#2,087
1979——29#1,891
1978——27#1,901
1977——30#1,763
1976——44#1,340
1975——32#1,611
1974——38#1,401
1973——55#1,102
19725#8,99454#1,116
1971——71#971
19705#8,711114#773
1969——89#818
19685#7,63585#806
1967——71#852
1966——71#868
1965——77#842
196410#4,51390#795
1963——89#805
19628#5,10794#789
19617#5,607109#739
1960——121#713
19599#4,48096#783
19586#5,789119#690
19578#4,73194#775
19566#5,65279#845
1955——77#841
1954——70#883
19538#4,42178#817
19527#4,72892#736
1951——58#925
19508#4,15666#841
19495#5,66256#931
1948——76#787
1947——83#757
1946——65#815
1945——54#857
1944——49#913
1943——44#1,013
1942——37#1,129
1941——49#913
1940——47#935
1939——43#964
1938——38#1,054
1937——34#1,138
1936——32#1,176
1935——38#1,052
1934——34#1,141
1933——28#1,265
19325#4,77439#1,082
1931——38#1,109
1930——36#1,185
1929——32#1,254
1928——36#1,203
1927——24#1,582
1926——28#1,394
1925——29#1,379
1924——26#1,515
1923——30#1,346
1922——32#1,299
1921——33#1,287
1920——44#1,060
1919——31#1,288
1918——34#1,205
1917——34#1,161
1916——31#1,193
1915——28#1,254
1914——20#1,371
1913——22#1,096
1912——24#926
1911——8#1,344
1910——10#1,085
1909——11#930
1907——14#724
1906——14#663
1905——11#774
1904——9#851
1903——9#823
1902——9#832
1900——10#877
1899——7#911
1898——7#950
1897——6#1,016
1896——13#612
1894——8#827
1893——6#977
1892——7#913
1890——11#622
1889——6#934
1888——10#677
1887——8#716
1886——6#912
1885——14#514
1884——10#641
1883——10#619
1882——9#678
1881——11#547
1880——7#780

About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).