Dorthie is a very rare variant of Dorthy that was most common in the 1920s and has all but disappeared.
Dorthie is a girl name. It last appears in U.S. records in 1951. Dorthie first appears in 1915 and peaked in 1923 (16 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1951 | 6 | — | #4,992 |
| 1949 | 8 | — | #3,975 |
| 1947 | 7 | — | #4,468 |
| 1945 | 5 | — | #4,723 |
| 1944 | 7 | — | #3,790 |
| 1942 | 7 | — | #3,844 |
| 1940 | 9 | — | #3,024 |
| 1938 | 6 | — | #3,956 |
| 1936 | 12 | — | #2,414 |
| 1935 | 9 | — | #2,987 |
| 1934 | 10 | — | #2,790 |
| 1933 | 10 | — | #2,732 |
| 1932 | 12 | — | #2,537 |
| 1931 | 10 | — | #2,826 |
| 1930 | 7 | — | #3,754 |
| 1929 | 9 | — | #3,205 |
| 1928 | 16 | — | #2,214 |
| 1927 | 10 | — | #3,113 |
| 1926 | 10 | — | #3,097 |
| 1925 | 8 | — | #3,765 |
| 1924 | 7 | — | #4,111 |
| 1923 | 16 | — | #2,290 |
| 1922 | 8 | — | #3,744 |
| 1921 | 11 | — | #2,988 |
| 1919 | 8 | — | #3,551 |
| 1918 | 6 | — | #4,425 |
| 1915 | 5 | — | #4,462 |