Betha is a very rare variant of Beth that was most common in the 1920s and has all but disappeared.
Betha is a girl name. It last appears in U.S. records in 1973. Betha was first reported in SSA data in 1886 and peaked in 1923 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1973 | 8 | — | #6,140 |
| 1965 | 5 | — | #6,616 |
| 1964 | 8 | — | #5,041 |
| 1958 | 5 | — | #6,173 |
| 1957 | 6 | — | #5,428 |
| 1956 | 5 | — | #6,028 |
| 1952 | 6 | — | #4,962 |
| 1950 | 5 | — | #5,365 |
| 1949 | 9 | — | #3,641 |
| 1944 | 7 | — | #3,721 |
| 1943 | 5 | — | #4,757 |
| 1941 | 5 | — | #4,474 |
| 1939 | 10 | — | #2,754 |
| 1937 | 9 | — | #2,966 |
| 1935 | 11 | — | #2,591 |
| 1933 | 6 | — | #3,791 |
| 1932 | 7 | — | #3,607 |
| 1931 | 5 | — | #4,399 |
| 1930 | 11 | — | #2,706 |
| 1929 | 10 | — | #2,941 |
| 1928 | 7 | — | #3,794 |
| 1927 | 5 | — | #4,886 |
| 1926 | 7 | — | #3,915 |
| 1925 | 11 | — | #2,962 |
| 1924 | 8 | — | #3,694 |
| 1923 | 11 | — | #2,938 |
| 1922 | 7 | — | #4,056 |
| 1921 | 9 | — | #3,440 |
| 1919 | 8 | — | #3,500 |
| 1918 | 5 | — | #4,903 |
| 1917 | 9 | — | #3,123 |
| 1916 | 7 | — | #3,591 |
| 1915 | 7 | — | #3,474 |
| 1914 | 8 | — | #2,660 |
| 1913 | 5 | — | #3,245 |
| 1912 | 9 | — | #1,998 |
| 1905 | 5 | — | #1,967 |
| 1903 | 7 | — | #1,454 |
| 1900 | 8 | — | #1,450 |
| 1886 | 7 | — | #909 |