Mary Craig Kimbrough Sinclair | |
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| Born | February 12, 1882 Greenwood, Mississippi |
| Died | April 26, 1961 (aged 79) Monrovia, California |
| Occupation | Novelist, writer, political activist |
| Nationality | American |
Mary Craig Sinclair (1882–1961) was a writer and the wife of Upton Sinclair.