Total babies named Petrea (all years): 63
| Year | Girls (count / rank / %) |
|---|---|
| 1978 | 5 / #10947 / 0.000% |
| 1975 | 5 / #10152 / 0.000% |
| 1974 | 5 / #9781 / 0.000% |
| 1962 | 5 / #7314 / 0.000% |
| 1958 | 7 / #5275 / 0.000% |
| 1954 | 5 / #6404 / 0.000% |
| 1953 | 5 / #6315 / 0.000% |
| 1952 | 6 / #5409 / 0.000% |
| 1949 | 5 / #5850 / 0.000% |
| 1942 | 10 / #3154 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1941 | 5 / #4920 / 0.000% |