Statistics for occurrence #1 of “Rush” in chapter 2, page 47 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

... Rush
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Richard H. Rush 46 10 6 2 0 user votes
Benjamin Rush 45 0 7 0 0 user votes
Rush 42 0 26 0 0 user votes
Richard Rush 15 1 1 1 0 user votes
H. Y. Rush 8 0 0 0 0 user votes
W. P. Rush 7 0 1 0 0 user votes
Abraham C. Rush 6 0 0 0 0 user votes
J. C. Rush 6 0 0 0 0 user votes
P. D. Rush 3 0 1 0 0 user votes
C. Rush 2 0 0 0 0 user votes
D. G. Rush 2 0 0 0 0 user votes
G. W. Rush 2 0 0 0 0 user votes
George Rush 2 0 0 0 0 user votes
J. Rush 2 0 0 0 0 user votes
J. I. Rush 2 0 0 0 0 user votes
J. Murry Rush 2 0 0 0 0 user votes
J. P. Rush 2 0 0 0 0 user votes
J. S. Rush 2 0 0 0 0 user votes
James Rush 2 0 0 0 0 user votes
Margaret Rush 2 0 0 0 0 user votes
W. W. Rush 2 0 0 0 0 user votes
E. W. Rush 1 0 1 0 0 user votes
H. S. Rush 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.