Statistics for occurrence #1 of “Cockrill” in chapter 5, page 65 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:

...mes C. Wheeler, E. T. Falconet, A. M. Rutledge, Joe E. Harris, George E. Purvis, J. P. Humphrey, J. Griffith, and M. S. Cockrill. Three of the officers in this picture — Falconet, Rutledge, and Cockrill — were promoted. Captain Rutledge was promoted to be major of artillery and assigned to duty on the staff of General Leonidas Polk. First-Lieutenant Falconet became a captain in the cavalry s...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
M. S. Cockrill 8 6 0 0 0 user votes
Cockrill 12 0 0 0 0 user votes
Clinton Cockrill 2 0 0 0 0 user votes
D. H. Cockrill 2 0 0 0 0 user votes
John Cockrill 2 0 0 0 0 user votes
John A. Cockrill 2 0 2 0 0 user votes
Buck Cockrill 1 0 1 0 0 user votes
Emmett Cockrill 1 0 1 0 0 user votes
F. M. Cockrill 1 0 1 0 0 user votes
Joseph H. Cockrill 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.