Dewain is a rare variant of Dewayne that was most common in the 1950s and has all but disappeared.
Dewain is a boy name. It last appears in U.S. records in 2000. Dewain was first reported in SSA data in 1913 and peaked in 1953 (23 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2000 | 5 | 5 | #10,824 |
| 1997 | 5 | — | #9,643 |
| 1993 | 5 | — | #9,113 |
| 1990 | 7 | — | #6,597 |
| 1988 | 5 | — | #7,581 |
| 1984 | 5 | — | #6,568 |
| 1983 | 6 | — | #5,664 |
| 1982 | 6 | — | #5,830 |
| 1981 | 6 | — | #5,679 |
| 1979 | 11 | — | #3,633 |
| 1978 | 5 | — | #6,054 |
| 1977 | 14 | — | #2,944 |
| 1976 | 6 | — | #5,094 |
| 1975 | 11 | — | #3,294 |
| 1974 | 11 | — | #3,185 |
| 1973 | 9 | — | #3,517 |
| 1972 | 5 | — | #5,161 |
| 1970 | 7 | — | #3,948 |
| 1969 | 9 | — | #3,123 |
| 1968 | 6 | — | #3,801 |
| 1967 | 12 | — | #2,388 |
| 1966 | 13 | — | #2,251 |
| 1965 | 11 | — | #2,509 |
| 1964 | 17 | — | #1,991 |
| 1963 | 10 | — | #2,717 |
| 1962 | 10 | — | #2,715 |
| 1961 | 14 | — | #2,268 |
| 1960 | 10 | — | #2,731 |
| 1959 | 10 | — | #2,695 |
| 1958 | 11 | — | #2,541 |
| 1957 | 11 | — | #2,523 |
| 1956 | 12 | — | #2,399 |
| 1955 | 8 | — | #3,031 |
| 1954 | 16 | — | #1,981 |
| 1953 | 23 | — | #1,601 |
| 1952 | 10 | — | #2,564 |
| 1951 | 13 | — | #2,159 |
| 1950 | 16 | — | #1,898 |
| 1949 | 21 | — | #1,629 |
| 1948 | 11 | — | #2,363 |
| 1947 | 17 | — | #1,870 |
| 1946 | 11 | — | #2,310 |
| 1945 | 12 | — | #2,035 |
| 1944 | 15 | — | #1,833 |
| 1943 | 14 | — | #2,000 |
| 1942 | 22 | — | #1,504 |
| 1941 | 10 | — | #2,381 |
| 1940 | 9 | — | #2,526 |
| 1939 | 6 | — | #3,200 |
| 1938 | 12 | — | #2,107 |
| 1937 | 20 | — | #1,545 |
| 1936 | 12 | — | #2,087 |
| 1935 | 19 | — | #1,602 |
| 1934 | 14 | — | #1,956 |
| 1933 | 13 | — | #2,021 |
| 1932 | 10 | — | #2,503 |
| 1931 | 14 | — | #2,023 |
| 1930 | 15 | — | #1,990 |
| 1929 | 8 | — | #3,051 |
| 1928 | 12 | — | #2,425 |
| 1927 | 14 | — | #2,218 |
| 1926 | 14 | — | #2,221 |
| 1925 | 11 | — | #2,632 |
| 1924 | 12 | — | #2,507 |
| 1923 | 13 | — | #2,358 |
| 1922 | 14 | — | #2,269 |
| 1921 | 14 | — | #2,279 |
| 1920 | 9 | — | #3,016 |
| 1919 | 7 | — | #3,489 |
| 1918 | 12 | — | #2,429 |
| 1916 | 7 | — | #3,253 |
| 1913 | 5 | — | #2,930 |