Diantha is a rare girls' name that was most common in the 1940s and has all but disappeared.
Diantha is a girl name. It last appears in U.S. records in 1998. Diantha was first reported in SSA data in 1915 and peaked in 1946 (26 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1998 | 5 | 5 | #14,799 |
| 1993 | 5 | — | #14,090 |
| 1991 | 5 | — | #13,752 |
| 1990 | 8 | — | #9,500 |
| 1984 | 11 | — | #6,006 |
| 1982 | 6 | — | #9,534 |
| 1980 | 8 | — | #7,592 |
| 1979 | 6 | — | #9,291 |
| 1978 | 5 | — | #10,161 |
| 1977 | 11 | — | #5,605 |
| 1976 | 6 | — | #8,419 |
| 1974 | 9 | — | #5,880 |
| 1973 | 6 | — | #7,674 |
| 1972 | 11 | — | #4,867 |
| 1971 | 12 | — | #4,616 |
| 1970 | 6 | — | #7,310 |
| 1969 | 9 | — | #5,148 |
| 1968 | 13 | — | #3,841 |
| 1967 | 13 | — | #3,710 |
| 1966 | 7 | — | #5,405 |
| 1965 | 10 | — | #4,272 |
| 1964 | 7 | — | #5,611 |
| 1963 | 12 | — | #3,858 |
| 1962 | 13 | — | #3,636 |
| 1961 | 17 | — | #3,088 |
| 1960 | 10 | — | #4,257 |
| 1959 | 11 | — | #3,879 |
| 1958 | 11 | — | #3,789 |
| 1957 | 9 | — | #4,300 |
| 1956 | 17 | — | #2,850 |
| 1955 | 16 | — | #2,862 |
| 1954 | 14 | — | #3,053 |
| 1953 | 22 | — | #2,250 |
| 1952 | 22 | — | #2,220 |
| 1951 | 21 | — | #2,196 |
| 1950 | 24 | — | #1,968 |
| 1949 | 18 | — | #2,355 |
| 1948 | 18 | — | #2,348 |
| 1947 | 10 | — | #3,512 |
| 1946 | 26 | — | #1,783 |
| 1945 | 12 | — | #2,634 |
| 1944 | 17 | — | #2,117 |
| 1943 | 22 | — | #1,848 |
| 1942 | 22 | — | #1,816 |
| 1941 | 19 | — | #1,897 |
| 1940 | 9 | — | #3,018 |
| 1939 | 9 | — | #2,972 |
| 1938 | 13 | — | #2,365 |
| 1937 | 8 | — | #3,213 |
| 1936 | 6 | — | #3,805 |
| 1935 | 9 | — | #2,981 |
| 1933 | 7 | — | #3,496 |
| 1932 | 8 | — | #3,346 |
| 1931 | 7 | — | #3,567 |
| 1930 | 6 | — | #4,150 |
| 1929 | 7 | — | #3,758 |
| 1926 | 6 | — | #4,439 |
| 1925 | 5 | — | #5,150 |
| 1924 | 8 | — | #3,742 |
| 1923 | 5 | — | #5,133 |
| 1922 | 5 | — | #5,199 |
| 1918 | 11 | — | #2,864 |
| 1917 | 9 | — | #3,156 |
| 1916 | 5 | — | #4,597 |
| 1915 | 10 | — | #2,744 |