Reitha is a very rare variant of Retha that was most common in the 1920s and has all but disappeared.
Reitha is a girl name. It last appears in U.S. records in 1959. Reitha first appears in 1919 and peaked in 1929 (8 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1959 | 5 | — | #7,004 |
| 1948 | 8 | — | #4,141 |
| 1947 | 7 | — | #4,681 |
| 1944 | 6 | — | #4,459 |
| 1943 | 5 | — | #5,226 |
| 1929 | 8 | — | #3,629 |
| 1923 | 5 | — | #5,565 |
| 1921 | 5 | — | #5,713 |
| 1920 | 5 | — | #5,624 |
| 1919 | 6 | — | #4,710 |