Dorethy is a very rare variant of Dorothy that was most common in the 1920s and has all but disappeared.
Dorethy is a girl name. It last appears in U.S. records in 1939. Dorethy first appears in 1916 and peaked in 1926 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1939 | 5 | — | #4,414 |
| 1936 | 5 | — | #4,361 |
| 1929 | 10 | — | #2,977 |
| 1928 | 8 | — | #3,511 |
| 1927 | 8 | — | #3,622 |
| 1926 | 12 | — | #2,746 |
| 1925 | 5 | — | #5,159 |
| 1924 | 9 | — | #3,464 |
| 1922 | 6 | — | #4,590 |
| 1921 | 6 | — | #4,615 |
| 1920 | 8 | — | #3,702 |
| 1918 | 5 | — | #5,018 |
| 1917 | 6 | — | #4,223 |
| 1916 | 5 | — | #4,607 |