| Name | John Mathias Demmer |
|---|---|
| Sex | male |
| Birth Date | November 22, 1892 |
| Death Date | May 25, 1991 |
| Age at Death | 98 years, 6 months, 3 days old |
| Birth Place | Oregon |
| Death Place | San Francisco County, California |
| Mother's Maiden Name | Schiessler |
| Social Security Number | 546-09-1000 |