Total babies named Thaddus (all years): 86
| Year | Boys (count / rank / %) |
|---|---|
| 1979 | 5 / #6978 / 0.000% |
| 1978 | 5 / #6669 / 0.000% |
| 1975 | 5 / #6250 / 0.000% |
| 1973 | 5 / #5804 / 0.000% |
| 1972 | 5 / #5677 / 0.000% |
| 1969 | 5 / #4963 / 0.000% |
| 1963 | 5 / #4572 / 0.000% |
| 1962 | 8 / #3281 / 0.000% |
| 1957 | 5 / #4497 / 0.000% |
| 1953 | 5 / #4284 / 0.000% |
| Year | Boys (count / rank / %) |
|---|---|
| 1952 | 5 / #4212 / 0.000% |
| 1929 | 5 / #4479 / 0.000% |
| 1922 | 6 / #4262 / 0.001% |
| 1920 | 5 / #4912 / 0.000% |
| 1919 | 5 / #4740 / 0.001% |
| 1918 | 7 / #3679 / 0.001% |