The baby name Diann appears in baby name data for the United States from 1934 to 1974. It was most popular in 1951 with 684 babies given the name.
Over the period shown, Diann has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1934 | 10 |
| 1935 | 5 |
| 1936 | 5 |
| 1937 | 31 |
| 1938 | 49 |
| 1939 | 94 |
| 1940 | 94 |
| 1941 | 158 |
| 1942 | 257 |
| 1943 | 380 |
| 1944 | 323 |
| 1945 | 387 |
| 1946 | 487 |
| 1947 | 607 |
| 1948 | 533 |
| 1949 | 532 |
| 1950 | 587 |
| 1951 | 684 |
| 1952 | 630 |
| 1953 | 623 |
| 1954 | 593 |
| 1955 | 523 |
| 1956 | 539 |
| 1957 | 548 |
| 1958 | 455 |
| 1959 | 434 |
| 1960 | 390 |
| 1961 | 326 |
| 1962 | 221 |
| 1963 | 255 |
| 1964 | 312 |
| 1965 | 402 |
| 1966 | 217 |
| 1967 | 130 |
| 1968 | 88 |
| 1969 | 69 |
| 1970 | 75 |
| 1971 | 26 |
| 1972 | 20 |
| 1974 | 5 |