Born, 1834, at Somerset plantation in St. John's Parish (Berkeley District, S.C.); attended Mt. Zion Academy (Winnsboro, S.C.); graduated from College of Charleston in 1854; subsequently studied engineering while working with railroad construction in S.C. and Tennessee; volunteered for Confederate military service in December 1860, and served first in the Palmetto Guard stationed on the S.C. coast and later in Kershaw's brigade in Virginia. He attained the rank of captain and, after his capture near the war's end, was imprisoned at Ft. Johnson (Sandusky Bay, Ohio).
Following the Civil War, Dwight worked first as an assistant engineer on the Edisto and Ashley Canal, then with the Union Rail Road in Baltimore, Md., he accepted employment as chief engineer of surveys for Young, Toledo & Co., a New Orleans firm leading the fight for the colonization of British Honduras; Dwight returned from Latin America to S.C. in 1869; his last public work was as an engineer for the Columbia, Newberry, and Laurens Rail Road in the construction of a bridge over the Broad River near Columbia, S.C.; Dwight died in 1921 and was buried at Winnsboro (Fairfield County, S.C.)
From the description of Charles Stevens Dwight Papers, 1853-1964 (University of South Carolina). WorldCat record id: 63682645