Lennie: Statistics About The Baby Name Lennie
| Year | Boy Rank | # Boys | % Boys | Girl Rank | # Girls | % Girls |
| 1965 | 982 | 57 | 0.0030% | - | - | - |
| 1964 | 910 | 70 | 0.0035% | - | - | - |
| 1963 | 965 | 61 | 0.0030% | - | - | - |
| 1962 | 948 | 64 | 0.0030% | - | - | - |
| 1961 | 898 | 73 | 0.0034% | - | - | - |
| 1960 | 880 | 75 | 0.0035% | - | - | - |
| 1959 | 881 | 76 | 0.0035% | - | - | - |
| 1958 | 862 | 77 | 0.0036% | - | - | - |
| 1957 | 845 | 79 | 0.0036% | - | - | - |
| 1956 | 937 | 64 | 0.0030% | - | - | - |
| 1955 | 929 | 65 | 0.0031% | - | - | - |
| 1948 | 931 | 55 | 0.0031% | - | - | - |
| 1936 | - | - | - | 924 | 55 | 0.0051% |
| 1933 | - | - | - | 869 | 60 | 0.0057% |
| 1932 | - | - | - | 896 | 62 | 0.0056% |
| 1930 | - | - | - | 946 | 60 | 0.0051% |
| 1929 | - | - | - | 937 | 59 | 0.0051% |
| 1928 | - | - | - | 930 | 64 | 0.0054% |
| 1926 | - | - | - | 866 | 74 | 0.0060% |
| 1925 | - | - | - | 872 | 73 | 0.0058% |
| 1924 | - | - | - | 786 | 90 | 0.0069% |
| 1923 | - | - | - | 999 | 57 | 0.0046% |
| 1922 | - | - | - | 848 | 75 | 0.0060% |
| 1921 | - | - | - | 692 | 114 | 0.0089% |
| 1920 | - | - | - | 792 | 83 | 0.0067% |
| 1919 | - | - | - | 719 | 95 | 0.0081% |
| 1918 | - | - | - | 801 | 80 | 0.0067% |
| 1917 | - | - | - | 699 | 97 | 0.0086% |
| 1916 | - | - | - | 644 | 111 | 0.0102% |
| 1915 | - | - | - | 585 | 124 | 0.0121% |
| 1914 | - | - | - | 583 | 95 | 0.0120% |
| 1913 | - | - | - | 596 | 75 | 0.0115% |
| 1912 | - | - | - | 555 | 77 | 0.0132% |
| 1911 | 954 | 13 | 0.0054% | 519 | 64 | 0.0145% |
| 1910 | 907 | 13 | 0.0062% | 590 | 50 | 0.0119% |
| 1909 | - | - | - | 600 | 42 | 0.0114% |
| 1908 | - | - | - | 462 | 61 | 0.0172% |
| 1907 | - | - | - | 478 | 56 | 0.0166% |
| 1906 | - | - | - | 487 | 50 | 0.0160% |
| 1905 | 776 | 11 | 0.0077% | 469 | 53 | 0.0171% |
| 1904 | 852 | 9 | 0.0065% | 432 | 56 | 0.0192% |
| 1903 | 969 | 7 | 0.0054% | 463 | 48 | 0.0173% |
| 1902 | - | - | - | 448 | 49 | 0.0175% |
| 1901 | - | - | - | 455 | 43 | 0.0169% |
| 1900 | - | - | - | 472 | 52 | 0.0163% |
| 1899 | 998 | 6 | 0.0052% | 493 | 36 | 0.0145% |
| 1898 | - | - | - | 455 | 46 | 0.0168% |
| 1897 | - | - | - | 532 | 31 | 0.0125% |
| 1896 | - | - | - | 437 | 44 | 0.0175% |
| 1895 | 942 | 7 | 0.0055% | 387 | 53 | 0.0214% |
| 1894 | 828 | 8 | 0.0064% | 401 | 49 | 0.0208% |
| 1893 | 805 | 8 | 0.0066% | 458 | 34 | 0.0151% |
| 1892 | - | - | - | 437 | 38 | 0.0169% |
| 1891 | - | - | - | 357 | 49 | 0.0249% |
| 1890 | - | - | - | 419 | 37 | 0.0183% |
| 1889 | 701 | 9 | 0.0076% | 481 | 27 | 0.0143% |
| 1888 | 731 | 9 | 0.0069% | 462 | 29 | 0.0153% |
| 1887 | 882 | 6 | 0.0055% | 365 | 35 | 0.0225% |
| 1886 | - | - | - | 681 | 12 | 0.0078% |
| 1885 | - | - | - | 389 | 28 | 0.0197% |
| 1884 | - | - | - | 354 | 32 | 0.0233% |
| 1883 | 849 | 6 | 0.0053% | 443 | 19 | 0.0158% |
| 1882 | 902 | 6 | 0.0049% | 413 | 20 | 0.0173% |
| 1881 | - | - | - | 365 | 21 | 0.0212% |
| 1880 | - | - | - | 532 | 11 | 0.0113% |
