Diamantina is a rare girls' name that was most common in the 1940s and has all but disappeared.
Diamantina is a girl name. It last appears in U.S. records in 1994. Diamantina was first reported in SSA data in 1916 and peaked in 1947 (19 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1994 | 5 | — | #14,033 |
| 1992 | 5 | — | #13,874 |
| 1987 | 5 | — | #11,795 |
| 1986 | 5 | — | #11,405 |
| 1985 | 7 | — | #8,583 |
| 1984 | 11 | — | #6,005 |
| 1983 | 10 | — | #6,343 |
| 1982 | 8 | — | #7,660 |
| 1981 | 7 | — | #8,345 |
| 1980 | 5 | — | #10,805 |
| 1979 | 11 | — | #5,843 |
| 1978 | 6 | — | #8,828 |
| 1977 | 5 | — | #10,014 |
| 1976 | 7 | — | #7,492 |
| 1975 | 6 | — | #8,251 |
| 1973 | 8 | — | #6,224 |
| 1972 | 5 | — | #8,597 |
| 1971 | 10 | — | #5,211 |
| 1970 | 7 | — | #6,517 |
| 1969 | 8 | — | #5,573 |
| 1968 | 12 | — | #4,058 |
| 1967 | 6 | — | #6,212 |
| 1966 | 11 | — | #4,018 |
| 1965 | 6 | — | #5,978 |
| 1964 | 9 | — | #4,706 |
| 1963 | 8 | — | #4,992 |
| 1962 | 9 | — | #4,615 |
| 1961 | 10 | — | #4,323 |
| 1960 | 14 | — | #3,391 |
| 1959 | 13 | — | #3,478 |
| 1958 | 9 | — | #4,262 |
| 1957 | 12 | — | #3,526 |
| 1956 | 12 | — | #3,539 |
| 1955 | 9 | — | #4,146 |
| 1954 | 10 | — | #3,780 |
| 1953 | 15 | — | #2,845 |
| 1952 | 11 | — | #3,420 |
| 1951 | 12 | — | #3,142 |
| 1950 | 9 | — | #3,744 |
| 1949 | 11 | — | #3,236 |
| 1948 | 14 | — | #2,729 |
| 1947 | 19 | — | #2,299 |
| 1946 | 14 | — | #2,641 |
| 1945 | 13 | — | #2,495 |
| 1944 | 11 | — | #2,808 |
| 1943 | 7 | — | #3,893 |
| 1942 | 8 | — | #3,512 |
| 1941 | 11 | — | #2,712 |
| 1940 | 8 | — | #3,280 |
| 1939 | 11 | — | #2,633 |
| 1938 | 5 | — | #4,477 |
| 1937 | 6 | — | #3,902 |
| 1936 | 11 | — | #2,558 |
| 1935 | 10 | — | #2,777 |
| 1934 | 9 | — | #2,975 |
| 1933 | 10 | — | #2,728 |
| 1932 | 11 | — | #2,689 |
| 1931 | 14 | — | #2,223 |
| 1930 | 11 | — | #2,726 |
| 1929 | 8 | — | #3,462 |
| 1928 | 10 | — | #2,997 |
| 1927 | 12 | — | #2,741 |
| 1926 | 6 | — | #4,437 |
| 1925 | 7 | — | #4,120 |
| 1924 | 5 | — | #5,261 |
| 1923 | 8 | — | #3,719 |
| 1922 | 7 | — | #4,108 |
| 1921 | 8 | — | #3,751 |
| 1920 | 7 | — | #4,067 |
| 1918 | 5 | — | #5,011 |
| 1917 | 9 | — | #3,155 |
| 1916 | 10 | — | #2,877 |