Total babies named Jefery (all years): 52
| Year | Boys (count / rank / %) |
|---|---|
| 1986 | 8 / #5076 / 0.000% |
| 1983 | 6 / #5818 / 0.000% |
| 1978 | 5 / #6238 / 0.000% |
| 1970 | 5 / #5057 / 0.000% |
| 1968 | 10 / #2822 / 0.001% |
| 1966 | 5 / #4217 / 0.000% |
| 1963 | 7 / #3472 / 0.000% |
| 1962 | 6 / #3828 / 0.000% |