Total babies named Duffy (all years): 643
| Year | Boys (count / rank / %) |
|---|---|
| 2012 | 5 / #12790 / 0.000% |
| 1998 | 5 / #10069 / 0.000% |
| 1995 | 7 / #7218 / 0.000% |
| 1994 | 6 / #8060 / 0.000% |
| 1992 | 5 / #8807 / 0.000% |
| 1991 | 7 / #6721 / 0.000% |
| 1984 | 7 / #5125 / 0.000% |
| 1982 | 11 / #3759 / 0.001% |
| 1981 | 8 / #4636 / 0.000% |
| 1980 | 6 / #5721 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1978 | 21 / #2226 / 0.001% |
| 1977 | 15 / #2818 / 0.001% |
| 1976 | 12 / #3140 / 0.001% |
| 1975 | 20 / #2232 / 0.001% |
| 1974 | 20 / #2150 / 0.001% |
| 1973 | 16 / #2430 / 0.001% |
| 1972 | 12 / #2866 / 0.001% |
| 1971 | 9 / #3445 / 0.001% |
| 1970 | 8 / #3602 / 0.000% |
| 1969 | 22 / #1776 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1968 | 10 / #2790 / 0.001% |
| 1967 | 8 / #3060 / 0.000% |
| 1966 | 13 / #2256 / 0.001% |
| 1965 | 13 / #2296 / 0.001% |
| 1964 | 12 / #2452 / 0.001% |
| 1963 | 10 / #2726 / 0.000% |
| 1962 | 13 / #2303 / 0.001% |
| 1961 | 21 / #1787 / 0.001% |
| 1959 | 12 / #2453 / 0.001% |
| 1958 | 16 / #2050 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1957 | 15 / #2117 / 0.001% |
| 1956 | 15 / #2114 / 0.001% |
| 1955 | 18 / #1862 / 0.001% |
| 1954 | 15 / #2062 / 0.001% |
| 1953 | 8 / #2975 / 0.000% |
| 1952 | 12 / #2282 / 0.001% |
| 1951 | 11 / #2412 / 0.001% |
| 1950 | 14 / #2049 / 0.001% |
| 1949 | 9 / #2665 / 0.001% |
| 1948 | 12 / #2245 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1947 | 12 / #2278 / 0.001% |
| 1946 | 8 / #2760 / 0.000% |
| 1945 | 6 / #3092 / 0.000% |
| 1944 | 10 / #2350 / 0.001% |
| 1943 | 5 / #3681 / 0.000% |
| 1941 | 6 / #3235 / 0.000% |
| 1937 | 5 / #3665 / 0.000% |
| 1936 | 6 / #3255 / 0.001% |
| 1932 | 7 / #3160 / 0.001% |
| 1930 | 5 / #4150 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1929 | 7 / #3318 / 0.001% |
| 1928 | 9 / #2902 / 0.001% |
| 1927 | 5 / #4358 / 0.000% |
| 1925 | 7 / #3500 / 0.001% |
| 1924 | 5 / #4515 / 0.000% |
| 1922 | 9 / #3083 / 0.001% |
| 1921 | 6 / #3984 / 0.001% |
| 1920 | 6 / #3944 / 0.001% |
| 1919 | 5 / #4323 / 0.001% |
| 1918 | 7 / #3463 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1917 | 7 / #3308 / 0.001% |
| 1915 | 5 / #3982 / 0.001% |