Duffy vs Duff
Side-by-side comparison of Duffy and Duff - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Duffy | Duff |
|---|---|---|
| Current Rank | Unranked | Unranked |
| Total Births (all years) | 627 | 441 |
| Peak Year | 1969 | 1954 |
| Peak Year Births | 22 | 34 |
| Peak Decade | 1950s | 1950s |
| Gender | Boy | Boy |
| First Recorded Year | 1915 | 1880 |
Births by Decade
| Decade | Duffy | Duff |
|---|---|---|
| 1880s | - | 10 |
| 1910s | 24 | 13 |
| 1920s | 54 | 27 |
| 1930s | 23 | 13 |
| 1940s | 68 | 42 |
| 1950s | 136 | 177 |
| 1960s | 122 | 117 |
| 1970s | 133 | 36 |
| 1980s | 32 | - |
| 1990s | 30 | - |
| 2000s | - | 6 |
| 2010s | 5 | - |
Data Sources
Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1915–2012.