Total babies named Duilio (all years): 85
| Year | Boys (count / rank / %) |
|---|---|
| 2006 | 7 / #9857 / 0.000% |
| 2005 | 16 / #5095 / 0.001% |
| 2004 | 11 / #6665 / 0.001% |
| 2003 | 5 / #11375 / 0.000% |
| 2001 | 11 / #6141 / 0.001% |
| 2000 | 5 / #10863 / 0.000% |
| 1998 | 7 / #7819 / 0.000% |
| 1926 | 7 / #3473 / 0.001% |
| 1924 | 9 / #3083 / 0.001% |
| 1913 | 7 / #2324 / 0.001% |