| Name | William Willard Cioni |
| Event Date | 31 Dec 1903 |
| Event Place | Blue Island, Cook, Illinois, United States |
| Registration Date | 19 Dec 1941 |
| Registration Place | Cook, Illinois |
| Gender | Male |
| Race | White |
| Father's Name | Louis Joseph Cioni |
| Father's Birthplace | Bologne Italy |
| Father's Age | 29 |
| Father's Estimated Birth Year | 1874 |
| Mother's Name | Sarah Elizabeth Watson |
| Mother's Birthplace | Chicago, Illinois |
| Mother's Age | 18 |
| Mother's Estimated Birth Year | 1885 |
| Certificate Number | 19757 |
Source: FamilySearch - Illinois, Cook County, Birth Certificates, 1871-1940