| Name | Mark Leslie Duffin |
|---|---|
| Sex | male |
| Birth Date | October 23, 1901 |
| Death Date | March 11, 1980 |
| Age at Death | 78 years, 4 months, 17 days old |
| Birth Place | Utah |
| Death Place | Sonoma County, California |
| Mother's Maiden Name | Kropf |
| Social Security Number | 550-54-2926 |
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