Duff is a rare boys' name that was most common in the 1950s and has all but disappeared.
Duff is a boy name. It last appears in U.S. records in 2008. Duff was first reported in SSA data in 1880 and peaked in 1954 (34 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2008 | 6 | 6 | #11,463 |
| 1976 | 5 | — | #5,848 |
| 1974 | 6 | — | #4,791 |
| 1973 | 7 | — | #4,201 |
| 1971 | 7 | — | #4,094 |
| 1970 | 11 | — | #2,945 |
| 1969 | 14 | — | #2,343 |
| 1968 | 6 | — | #3,821 |
| 1967 | 6 | — | #3,665 |
| 1966 | 10 | — | #2,673 |
| 1965 | 8 | — | #3,050 |
| 1964 | 14 | — | #2,240 |
| 1963 | 14 | — | #2,230 |
| 1962 | 14 | — | #2,212 |
| 1961 | 16 | — | #2,086 |
| 1960 | 15 | — | #2,155 |
| 1959 | 19 | — | #1,878 |
| 1958 | 12 | — | #2,403 |
| 1957 | 14 | — | #2,215 |
| 1956 | 31 | — | #1,395 |
| 1955 | 23 | — | #1,625 |
| 1954 | 34 | — | #1,295 |
| 1953 | 20 | — | #1,726 |
| 1952 | 11 | — | #2,411 |
| 1951 | 5 | — | #3,860 |
| 1950 | 8 | — | #2,837 |
| 1949 | 8 | — | #2,852 |
| 1948 | 8 | — | #2,844 |
| 1946 | 6 | — | #3,269 |
| 1943 | 6 | — | #3,320 |
| 1942 | 7 | — | #3,009 |
| 1941 | 7 | — | #2,952 |
| 1937 | 7 | — | #2,992 |
| 1935 | 6 | — | #3,357 |
| 1927 | 8 | — | #3,237 |
| 1924 | 9 | — | #3,082 |
| 1921 | 5 | — | #4,519 |
| 1920 | 5 | — | #4,473 |
| 1917 | 8 | — | #3,009 |
| 1916 | 5 | — | #4,081 |
| 1882 | 5 | — | #973 |
| 1880 | 5 | — | #945 |