Mirion was born in 1909 in Pennsylvania, USA, the son of Luigi Defrancesco and Emma Rungaldier.
He died before 2010. The place is not known.
His wife was Sylvia DeFrances Steffey. They were married, but the date and place have not been found. Their only known child was Phyllis ().
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 1909 |
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| Death | BEF 2010 |