Statistics for occurrence #1 of “Birney” in chapter 10, page 387 of William Swinton, Campaigns of the Army of the Potomac:

... Birney
Sharp-shooters, the Fortieth New York, the First and Twentieth Indiana, the Third and Fifth Michigan, and the One Hundred and Tenth...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
D. B. Birney 425 127 9 1 0 user votes
David B. Birney 515 0 31 0 0 user votes
Birney 460 0 88 0 0 user votes
William Birney 442 0 16 0 0 user votes
James G. Birney 181 0 1 0 0 user votes
David D. Birney 88 0 0 0 0 user votes
J. G. Birney 81 0 1 0 0 user votes
David Bell Birney 80 0 4 0 0 user votes
James Gillespie Birney 68 0 0 0 0 user votes
F. Birney 30 0 4 0 0 user votes
Fitzhugh Birney 28 0 0 0 0 user votes
G. Birney 26 0 0 0 0 user votes
Gen Birney 12 0 0 0 0 user votes
D. D. Birney 8 0 0 0 0 user votes
William C. Birney 5 0 1 0 0 user votes
Lauress J. Birney 3 0 1 0 0 user votes
W. Birney 3 0 1 0 0 user votes
Ellen Birney 2 0 0 0 0 user votes
David Birney 1 0 1 0 0 user votes
Dion Birney 1 0 1 0 0 user votes
J. L. Birney 1 0 1 0 0 user votes
W. A. Birney 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.