High Quality Content by WIKIPEDIA articles! Mary Boykin Chesnut, born Mary Boykin Miller (March 31, 1823 – November 22, 1886), was a South Carolina author noted for a book published as her Civil War diary, a "vivid picture of a society in the throes of its life-and-death struggle." She described the war from within her upper-class circles of Southern planter society, but encompassed all classes in her book. She was married to a lawyer who served as a United States senator and Confederate officer.