Eltha is a very rare girls' name that was most common in the 1920s and has all but disappeared.
Eltha is a girl name. It last appears in U.S. records in 1931. Eltha first appears in 1885 and peaked in 1922 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1931 | 8 | — | #3,305 |
| 1930 | 10 | — | #2,909 |
| 1927 | 5 | — | #5,020 |
| 1924 | 5 | — | #5,312 |
| 1923 | 7 | — | #4,090 |
| 1922 | 10 | — | #3,216 |
| 1921 | 5 | — | #5,348 |
| 1920 | 7 | — | #4,106 |
| 1919 | 7 | — | #3,961 |
| 1918 | 8 | — | #3,602 |
| 1917 | 9 | — | #3,167 |
| 1916 | 8 | — | #3,351 |
| 1915 | 9 | — | #2,968 |
| 1914 | 7 | — | #2,983 |
| 1913 | 6 | — | #2,933 |
| 1911 | 8 | — | #1,834 |
| 1907 | 6 | — | #1,898 |
| 1905 | 6 | — | #1,767 |
| 1885 | 5 | — | #1,088 |