Statistics for occurrence #1 of “Featherston” in chapter 23 of Brigadier-General Ellison Capers, Confederate Military History, a library of Confederate States Military History: Volume 5, South Carolina:

...On June 17, 1861, he was promoted brigadier-general. With the army under Beauregard at Manassas, Va., he had command of a brigade composed of Jenkins' Fifth South Carolina and Burt's Eighteenth and Featherston 's Seventeenth Mississippi. In the original Confederate plan of battle, July 21st, he was to have taken a prominent part in the fight, but the actual events of the day confined him to demonstrations...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Featherston 116 8 20 0 0 user votes
W. S. Featherston 180 0 10 0 0 user votes
Winfield Scott Featherston 44 0 6 0 0 user votes
C. H. Featherston 35 0 1 0 0 user votes
Winfield S. Featherston 30 0 8 0 0 user votes
C. N. Featherston 23 0 1 0 0 user votes
L. Featherston 17 0 9 0 0 user votes
W. T. Featherston 17 0 1 0 0 user votes
John C. Featherston 14 0 4 0 0 user votes
William S. Featherston 7 0 1 0 0 user votes
L. P. Featherston 5 0 1 0 0 user votes
M. M. Featherston 2 0 0 0 0 user votes
W. B. Featherston 2 0 0 0 0 user votes
W. J. Featherston 2 0 0 0 0 user votes
Mercer Featherston 1 0 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.