Total babies named Effrey (all years): 57
| Year | Boys (count / rank / %) |
|---|---|
| 1987 | 5 / #7290 / 0.000% |
| 1985 | 5 / #6847 / 0.000% |
| 1984 | 5 / #6608 / 0.000% |
| 1983 | 7 / #5077 / 0.000% |
| 1981 | 9 / #4260 / 0.001% |
| 1980 | 7 / #5094 / 0.000% |
| 1970 | 8 / #3609 / 0.000% |
| 1969 | 6 / #4090 / 0.000% |
| 1968 | 5 / #4305 / 0.000% |