Clemson is Thomas Green Clemson, for whom Clemson University was named. See:
http://www.clemson.edu/about/historicalfigures/thomasgreenclemson.html. See also the Dallas Herald, July 1, 1863; Galveston Weekly News, January 20, 1864, and the Houston Tri-Weekly Telegraph, July 28, 1863, all at
http://www.uttyler.edu/vbetts/newspaper_titles.htm.
Vicki Betts