Statistics for occurrence #1 of “C. H. Barr” in chapter 29 of Isaac O. Best, History of the 121st New York State Infantry:

... First Lieutenants: B. F. Park, August 23, 1862 to March 18, 1863; A. C. Rice, April 10 to September 20, 1863; S. E. Pierce, January 26 to May 13, 1864; H. C. VanScoy, May 3, 1864 to January 1, 1865; C. H. Barr , January 1 to June 25, 1865. Second Lieutenants: F. G. Bolles, August 23, 1862 to January 30, 1863; S. E. Pierce, April 10, 1863 to January 26, 1864.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
C. H. Barr 8 8 0 0 0 user votes
C. H. Barrett 3 0 1 0 0 user votes
C. H. Barron 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.