| Name | John Blanchard Costello |
|---|---|
| Sex | male |
| Birth Date | January 16, 1896 |
| Death Date | September 24, 1985 |
| Age at Death | 89 years, 8 months, 8 days old |
| Birth Place | Nebraska |
| Death Place | Contra Costa County, California |
| Mother's Maiden Name | Retchie |
| Social Security Number | 556-03-8757 |
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