Total babies named Billyjack (all years): 79
| Year | Boys (count / rank / %) |
|---|---|
| 1994 | 5 / #8930 / 0.000% |
| 1993 | 5 / #8839 / 0.000% |
| 1991 | 6 / #7366 / 0.000% |
| 1985 | 6 / #5864 / 0.000% |
| 1984 | 5 / #6426 / 0.000% |
| 1979 | 9 / #4108 / 0.001% |
| 1978 | 7 / #4603 / 0.000% |
| 1977 | 8 / #4213 / 0.000% |
| 1976 | 5 / #5685 / 0.000% |
| 1975 | 5 / #5555 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1974 | 6 / #4695 / 0.000% |
| 1973 | 5 / #5178 / 0.000% |
| 1972 | 7 / #4011 / 0.000% |