Total babies named Challis (all years): 128
| Year | Girls (count / rank / %) |
|---|---|
| 2002 | 6 / #13938 / 0.000% |
| 1998 | 6 / #12748 / 0.000% |
| 1997 | 6 / #12363 / 0.000% |
| 1996 | 8 / #9735 / 0.000% |
| 1994 | 5 / #13812 / 0.000% |
| 1993 | 9 / #8853 / 0.001% |
| 1992 | 5 / #13653 / 0.000% |
| 1991 | 7 / #10461 / 0.000% |
| 1989 | — |
| 1988 | 8 / #8522 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1983 | 7 / #8175 / 0.000% |
| 1978 | 6 / #8716 / 0.000% |
| 1975 | 9 / #6036 / 0.001% |
| 1951 | 5 / #5523 / 0.000% |
| 1945 | 10 / #2944 / 0.001% |
| 1916 | — |
| 1915 | — |
| 1914 | — |