Statistics for occurrence #1 of “Quirk” in chapter 6, page 158 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:

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John Allan Wyeth, M. D., Ll.D., (late of Quirk 's Scouts, Confederate States Army) The Confederate cavalry was an important factor in Bragg's defeat of Rosecrans' army at Chickamauga. Forrest was in full command on the right, while Wheeler, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Quirk 25 11 5 3 0 user votes
Martin J. Quirk 6 0 0 0 0 user votes
John Quirk 4 0 2 0 0 user votes
Daniel Quirk 3 0 1 0 0 user votes
Thomas Quirk 2 0 0 0 0 user votes
W. Quirk 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.