Duffie vs Duffy
Side-by-side comparison of Duffie and Duffy — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Duffie | Duffy |
|---|---|---|
| Current Rank | Unranked | Unranked |
| Total Births (all years) | 34 | 627 |
| Peak Year | 1918 | 1969 |
| Peak Year Births | 10 | 22 |
| Peak Decade | 1910ss | 1950ss |
| Gender | Boy | Boy |
| First Recorded Year | 1913 | 1915 |
Births by Decade
| Decade | Duffie | Duffy |
|---|---|---|
| 1910ss | 15 | 24 |
| 1920ss | 7 | 54 |
| 1930ss | 6 | 23 |
| 1940ss | — | 68 |
| 1950ss | 6 | 136 |
| 1960ss | — | 122 |
| 1970ss | — | 133 |
| 1980ss | — | 32 |
| 1990ss | — | 30 |
| 2010ss | — | 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, 1913–1951.