Len is a boy name. In 2025 it ranked #18470 for boy births in the United States, given to 8 babies. Len first appears in the data in 1880 and reached its peak in 1958 (125 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 2025 | 8 | #18,470 |
| 2024 | 8 | #18,705 |
| 2023 | 12 | #14,462 |
| 2022 | 11 | #15,277 |
| 2021 | 7 | #20,273 |
| 2020 | 7 | #20,107 |
| 2019 | 9 | #17,494 |
| 2018 | 10 | #16,401 |
| 2017 | 8 | #19,125 |
| 2016 | 10 | #16,688 |
| 2015 | 12 | #14,800 |
| 2014 | 15 | #12,754 |
| 2013 | 8 | #19,503 |
| 2012 | 14 | #13,567 |
| 2011 | 9 | #18,256 |
| 2010 | 13 | #14,383 |
| 2009 | 12 | #15,458 |
| 2008 | 5 | #27,994 |
| 2007 | 10 | #17,494 |
| 2006 | 12 | #15,070 |
| 2005 | 11 | #15,308 |
| 2004 | 9 | #17,090 |
| 2003 | 10 | #15,585 |
| 2002 | 5 | #24,244 |
| 2001 | 8 | #17,423 |
| 2000 | 12 | #12,988 |
| 1999 | 8 | #16,396 |
| 1998 | 10 | #13,668 |
| 1997 | 12 | #11,709 |
| 1996 | 13 | #10,826 |
| 1995 | 13 | #10,625 |
| 1994 | 10 | #12,799 |
| 1993 | 9 | #13,617 |
| 1992 | 9 | #13,506 |
| 1991 | 15 | #9,356 |
| 1990 | 14 | #9,629 |
| 1989 | 20 | #7,169 |
| 1988 | 15 | #8,233 |
| 1987 | 21 | #6,235 |
| 1986 | 18 | #6,761 |
| 1985 | 24 | #5,498 |
| 1984 | 16 | #6,910 |
| 1983 | 23 | #5,399 |
| 1982 | 22 | #5,668 |
| 1981 | 23 | #5,481 |
| 1980 | 26 | #5,053 |
| 1979 | 29 | #4,609 |
| 1978 | 27 | #4,608 |
| 1977 | 30 | #4,276 |
| 1976 | 44 | #3,203 |
| 1975 | 32 | #3,895 |
| 1974 | 38 | #3,362 |
| 1973 | 55 | #2,643 |
| 1972 | 59 | #2,521 |
| 1971 | 71 | #2,338 |
| 1970 | 119 | #1,736 |
| 1969 | 89 | #1,943 |
| 1968 | 90 | #1,855 |
| 1967 | 71 | #2,074 |
| 1966 | 71 | #2,088 |
| 1965 | 77 | #2,006 |
| 1964 | 100 | #1,812 |
| 1963 | 89 | #1,912 |
| 1962 | 102 | #1,785 |
| 1961 | 116 | #1,681 |
| 1960 | 121 | #1,639 |
| 1959 | 105 | #1,742 |
| 1958 | 125 | #1,562 |
| 1957 | 102 | #1,732 |
| 1956 | 85 | #1,869 |
| 1955 | 77 | #1,919 |
| 1954 | 70 | #2,007 |
| 1953 | 86 | #1,758 |
| 1952 | 99 | #1,585 |
| 1951 | 58 | #2,068 |
| 1950 | 74 | #1,802 |
| 1949 | 61 | #1,974 |
| 1948 | 76 | #1,743 |
| 1947 | 83 | #1,676 |
| 1946 | 65 | #1,819 |
| 1945 | 54 | #1,856 |
| 1944 | 49 | #1,952 |
| 1943 | 44 | #2,140 |
| 1942 | 37 | #2,331 |
| 1941 | 49 | #1,893 |
| 1940 | 47 | #1,915 |
| 1939 | 43 | #1,963 |
| 1938 | 38 | #2,139 |
| 1937 | 34 | #2,241 |
| 1936 | 32 | #2,315 |
| 1935 | 38 | #2,090 |
| 1934 | 34 | #2,243 |
| 1933 | 28 | #2,483 |
| 1932 | 44 | #1,979 |
| 1931 | 38 | #2,149 |
| 1930 | 36 | #2,297 |
| 1929 | 32 | #2,429 |
| 1928 | 36 | #2,318 |
| 1927 | 24 | #3,094 |
| 1926 | 28 | #2,763 |
| 1925 | 29 | #2,745 |
| 1924 | 26 | #3,020 |
| 1923 | 30 | #2,680 |
| 1922 | 32 | #2,602 |
| 1921 | 33 | #2,550 |
| 1920 | 44 | #2,114 |
| 1919 | 31 | #2,546 |
| 1918 | 34 | #2,376 |
| 1917 | 34 | #2,297 |
| 1916 | 31 | #2,391 |
| 1915 | 28 | #2,478 |
| 1914 | 20 | #2,662 |
| 1913 | 22 | #2,189 |
| 1912 | 24 | #1,932 |
| 1911 | 8 | #2,865 |
| 1910 | 10 | #2,426 |
| 1909 | 11 | #2,109 |
| 1907 | 14 | #1,705 |
| 1906 | 14 | #1,617 |
| 1905 | 11 | #1,841 |
| 1904 | 9 | #1,998 |
| 1903 | 9 | #1,927 |
| 1902 | 9 | #1,939 |
| 1900 | 10 | #1,989 |
| 1899 | 7 | #2,042 |
| 1898 | 7 | #2,153 |
| 1897 | 6 | #2,202 |
| 1896 | 13 | #1,497 |
| 1894 | 8 | #1,862 |
| 1893 | 6 | #2,089 |
| 1892 | 7 | #1,960 |
| 1890 | 11 | #1,416 |
| 1889 | 6 | #1,943 |
| 1888 | 10 | #1,479 |
| 1887 | 8 | #1,548 |
| 1886 | 6 | #1,787 |
| 1885 | 14 | #1,098 |
| 1884 | 10 | #1,321 |
| 1883 | 10 | #1,238 |
| 1882 | 9 | #1,292 |
| 1881 | 11 | #1,064 |
| 1880 | 7 | #1,459 |