Dorethia is a very rare variant of Dorothea that was most common in the 1950s and has all but disappeared.
Dorethia is a girl name. It last appears in U.S. records in 1972. Dorethia was first reported in SSA data in 1918 and peaked in 1952 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1972 | 5 | — | #8,614 |
| 1970 | 7 | — | #6,526 |
| 1961 | 6 | — | #6,018 |
| 1958 | 7 | — | #5,032 |
| 1957 | 5 | — | #6,314 |
| 1956 | 5 | — | #6,199 |
| 1955 | 5 | — | #6,074 |
| 1954 | 6 | — | #5,305 |
| 1952 | 10 | — | #3,615 |
| 1950 | 6 | — | #4,881 |
| 1949 | 6 | — | #4,817 |
| 1943 | 5 | — | #4,845 |
| 1939 | 5 | — | #4,413 |
| 1934 | 7 | — | #3,549 |
| 1931 | 7 | — | #3,572 |
| 1930 | 5 | — | #4,729 |
| 1920 | 5 | — | #5,179 |
| 1919 | 7 | — | #3,934 |
| 1918 | 5 | — | #5,017 |