Petrea is a very rare variant of Peter that was most common in the 1940s and has all but disappeared.
Petrea is a girl name. It last appears in U.S. records in 1978. Petrea first appears in 1941 and peaked in 1942 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1978 | 5 | — | #10,947 |
| 1975 | 5 | — | #10,154 |
| 1974 | 5 | — | #9,779 |
| 1962 | 5 | — | #7,314 |
| 1958 | 7 | — | #5,276 |
| 1954 | 5 | — | #6,404 |
| 1953 | 5 | — | #6,314 |
| 1952 | 6 | — | #5,409 |
| 1949 | 5 | — | #5,849 |
| 1942 | 10 | — | #3,154 |
| 1941 | 5 | — | #4,919 |