Total babies named Jenness (all years): 80
| Year | Girls (count / rank / %) |
|---|---|
| 1984 | 5 / #11086 / 0.000% |
| 1983 | 5 / #10930 / 0.000% |
| 1975 | 7 / #7480 / 0.000% |
| 1974 | 6 / #8091 / 0.000% |
| 1973 | 7 / #6952 / 0.000% |
| 1972 | 7 / #6832 / 0.000% |
| 1970 | 5 / #8516 / 0.000% |
| 1958 | 6 / #5703 / 0.000% |
| 1953 | 5 / #6051 / 0.000% |
| 1951 | 7 / #4571 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1950 | 9 / #3804 / 0.001% |
| 1945 | 6 / #4253 / 0.000% |
| 1944 | 5 / #4868 / 0.000% |