Total babies named Lief (all years): 279
| Year | Boys (count / rank / %) |
|---|---|
| 2023 | 11 / #7547 / 0.001% |
| 2022 | 8 / #9508 / 0.000% |
| 2017 | 7 / #10351 / 0.000% |
| 2013 | 7 / #10306 / 0.000% |
| 2008 | 5 / #13784 / 0.000% |
| 2007 | 6 / #11794 / 0.000% |
| 2003 | 5 / #12020 / 0.000% |
| 2002 | 9 / #7415 / 0.000% |
| 2000 | 6 / #9831 / 0.000% |
| 1999 | 12 / #5528 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1998 | 9 / #6627 / 0.000% |
| 1995 | 5 / #9733 / 0.000% |
| 1994 | 6 / #8382 / 0.000% |
| 1990 | 6 / #7721 / 0.000% |
| 1989 | 8 / #5987 / 0.000% |
| 1987 | 5 / #7671 / 0.000% |
| 1984 | 8 / #4808 / 0.000% |
| 1983 | 8 / #4742 / 0.000% |
| 1981 | 8 / #4784 / 0.000% |
| 1980 | 9 / #4363 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1979 | 6 / #5786 / 0.000% |
| 1978 | 8 / #4407 / 0.000% |
| 1977 | 10 / #3748 / 0.001% |
| 1975 | 9 / #3819 / 0.001% |
| 1974 | 5 / #5682 / 0.000% |
| 1973 | 11 / #3148 / 0.001% |
| 1972 | 8 / #3823 / 0.000% |
| 1970 | 9 / #3425 / 0.000% |
| 1969 | 9 / #3222 / 0.001% |
| 1968 | 8 / #3265 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1966 | 5 / #4293 / 0.000% |
| 1964 | 7 / #3475 / 0.000% |
| 1963 | 8 / #3218 / 0.000% |
| 1962 | 6 / #3862 / 0.000% |
| 1959 | 6 / #3844 / 0.000% |
| 1955 | 5 / #4168 / 0.000% |
| 1954 | 5 / #4143 / 0.000% |
| 1948 | 6 / #3527 / 0.000% |