Gyneth is a very rare girls' name that was most common in the 1920s and has all but disappeared.
Gyneth is a girl name. It last appears in U.S. records in 1944. Gyneth first appears in 1905 and peaked in 1920 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1944 | 5 | — | #4,830 |
| 1943 | 5 | — | #4,945 |
| 1938 | 5 | — | #4,584 |
| 1936 | 5 | — | #4,473 |
| 1930 | 5 | — | #4,830 |
| 1929 | 10 | — | #3,018 |
| 1928 | 6 | — | #4,401 |
| 1924 | 6 | — | #4,703 |
| 1923 | 8 | — | #3,765 |
| 1922 | 5 | — | #5,328 |
| 1920 | 13 | — | #2,652 |
| 1919 | 5 | — | #5,114 |
| 1918 | 6 | — | #4,522 |
| 1915 | 7 | — | #3,585 |
| 1905 | 5 | — | #2,064 |