| Name | John Calloway Mayo |
|---|---|
| Sex | male |
| Birth Date | March 18, 1858 |
| Death Date | April 30, 1948 |
| Age at Death | 90 years, 1 month, 12 days old |
| Birth Place | Kansas |
| Death Place | Los Angeles County, California |
| Father's Last Name | Mayo |
| Mother's Maiden Name | Hunter |
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