Total babies named Treacy (all years): 78
| Year | Girls (count / rank / %) |
|---|---|
| 1977 | 5 / #11221 / 0.000% |
| 1971 | 11 / #5112 / 0.001% |
| 1970 | 7 / #7025 / 0.000% |
| 1969 | 6 / #7426 / 0.000% |
| 1967 | 6 / #6751 / 0.000% |
| 1966 | 5 / #7542 / 0.000% |
| 1965 | 7 / #5772 / 0.000% |
| 1962 | 11 / #4246 / 0.001% |
| 1961 | 7 / #5804 / 0.000% |
| 1960 | 8 / #5143 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1954 | 5 / #6558 / 0.000% |