Statistics for occurrence #1 of “Mch” in chapter 13, page 254 of Daniel Ammen, Confederate Military History, a library of Confederate States Military History: Volume 7.2, The Atlantic Coast:

..., 1861, Newbern8,239 January 31, 1862, in North Carolina6,29012,095 March 31, 1862, in North Carolina10,37224,300 April 19, 1862, in North Carolina17,947 22,068Brig.-Gen. Joseph B. Anderson, from Mch . 19. 1862, to May 25, 1862. April 30, 1862, in North Carolina 16,25519,822 July 15, 1862, in North Carolina and Southeast Virginia17,50521,196Major-General T. H. Holmes, from May 25, 1862, to July ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mch 956 2 2 0 0 user votes
William McH 4 0 0 0 0 user votes
A. McH 2 0 0 0 0 user votes
George McH 2 0 0 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.