Mary Craig Kimbrough Sinclair | |
|---|---|
 Sinclair in 1935 | |
| 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.