Statistics for occurrence #1 of “McClernand” in chapter 4 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.:

...rand review. It was mustered out on June 14, 1865. 20-and 24-pounders, rifles, and howitzers. Grant's fifteen thousand men found themselves confronted by about twenty thousand entrenched. McClernand pressed to the right, up the river. His artillery was very active. Sometimes acting singly, and then in concert, the batteries temporarily silenced several of those of the Confederates and shelle...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
McClernand 941 6 155 2 0 user votes
John A. McClernand 2,049 0 51 0 0 user votes
J. A. McClernand 348 0 6 0 0 user votes
Jonathan A. McClernand 108 0 0 0 0 user votes
John Alexander McClernand 40 0 6 0 0 user votes
Generals McClernand 20 0 0 0 0 user votes
Geas McClernand 6 0 0 0 0 user votes
Gen McClernand 4 0 0 0 0 user votes
John McClernand 2 0 2 0 0 user votes
Gen John A. McClernand 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.