Dario was born about 1910 in Villa Petta, Italy, the son of Dominick D'Addario and Giacinta unknown.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Gary ().
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1910 |
|