Total babies named Lennis (all years): 1,754
| Year | Boys (count / rank / %) |
|---|---|
| 2013 | 5 / #13276 / 0.000% |
| 2012 | 5 / #13423 / 0.000% |
| 2001 | 8 / #8016 / 0.000% |
| 1997 | 5 / #10185 / 0.000% |
| 1991 | 5 / #9050 / 0.000% |
| 1989 | 6 / #7526 / 0.000% |
| 1988 | 5 / #8020 / 0.000% |
| 1986 | 6 / #6393 / 0.000% |
| 1985 | 9 / #4544 / 0.000% |
| 1984 | 7 / #5318 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1983 | 9 / #4350 / 0.001% |
| 1981 | 10 / #4023 / 0.001% |
| 1980 | 6 / #5953 / 0.000% |
| 1978 | 5 / #6376 / 0.000% |
| 1977 | 14 / #2991 / 0.001% |
| 1976 | 8 / #4247 / 0.001% |
| 1975 | 10 / #3571 / 0.001% |
| 1974 | 7 / #4434 / 0.000% |
| 1973 | 5 / #5557 / 0.000% |
| 1971 | 12 / #2912 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1970 | 12 / #2813 / 0.001% |
| 1969 | 15 / #2267 / 0.001% |
| 1968 | 17 / #1999 / 0.001% |
| 1967 | 14 / #2214 / 0.001% |
| 1966 | 12 / #2403 / 0.001% |
| 1965 | 17 / #1965 / 0.001% |
| 1964 | 13 / #2368 / 0.001% |
| 1963 | 16 / #2084 / 0.001% |
| 1962 | 17 / #2005 / 0.001% |
| 1961 | 18 / #1978 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1960 | 25 / #1647 / 0.001% |
| 1959 | 15 / #2162 / 0.001% |
| 1958 | 21 / #1754 / 0.001% |
| 1957 | 23 / #1700 / 0.001% |
| 1956 | 23 / #1668 / 0.001% |
| 1955 | 27 / #1498 / 0.001% |
| 1954 | 32 / #1352 / 0.002% |
| 1953 | 30 / #1394 / 0.002% |
| 1952 | 27 / #1481 / 0.001% |
| 1951 | 27 / #1442 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1950 | 22 / #1595 / 0.001% |
| 1949 | 23 / #1567 / 0.001% |
| 1948 | 33 / #1270 / 0.002% |
| 1947 | 32 / #1313 / 0.002% |
| 1946 | 18 / #1726 / 0.001% |
| 1945 | 18 / #1609 / 0.001% |
| 1944 | 18 / #1660 / 0.001% |
| 1943 | 20 / #1614 / 0.001% |
| 1942 | 21 / #1565 / 0.002% |
| 1941 | 25 / #1357 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1940 | 23 / #1421 / 0.002% |
| 1939 | 25 / #1345 / 0.002% |
| 1938 | 18 / #1655 / 0.002% |
| 1937 | 17 / #1722 / 0.002% |
| 1936 | 18 / #1618 / 0.002% |
| 1935 | 14 / #1994 / 0.001% |
| 1934 | 16 / #1820 / 0.002% |
| 1933 | 17 / #1744 / 0.002% |
| 1932 | 13 / #2155 / 0.001% |
| 1931 | 19 / #1671 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1930 | 20 / #1676 / 0.002% |
| 1929 | 17 / #1898 / 0.002% |
| 1928 | 15 / #2112 / 0.001% |
| 1927 | 16 / #2090 / 0.001% |
| 1926 | 25 / #1498 / 0.002% |
| 1925 | 12 / #2525 / 0.001% |
| 1924 | 9 / #3148 / 0.001% |
| 1923 | 17 / #1988 / 0.002% |
| 1922 | 16 / #2107 / 0.001% |
| 1921 | 18 / #1951 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1920 | 14 / #2291 / 0.001% |
| 1919 | 9 / #3018 / 0.001% |
| 1918 | 7 / #3557 / 0.001% |
| 1917 | 25 / #1418 / 0.003% |
| 1916 | 12 / #2337 / 0.001% |
| 1915 | 11 / #2382 / 0.001% |
| 1914 | 9 / #2373 / 0.001% |
| 1912 | 7 / #2155 / 0.002% |
| 1911 | — |
| 1906 | — |
| Year | Boys (count / rank / %) |
|---|---|
| 1903 | — |
| 1899 | — |
| 1898 | — |