Leonardo was born on 3 OCT 1895 in Taranta Peligna, Chieti, Italy, the son of Pietro Antonio Santilli and Filomena Disanto.
He died on 6 DEC 1979 in Boulder.
His wife was Pasqua Pauline Gina Carmosino, who he married on 8 JUL 1923 in Louisville. Their two known children were Carolyn Lucille (1938-1993) and Jeannette Ann ().
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| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 3 OCT 1895 | 
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| Death | 6 DEC 1979 | 
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