Statistics for occurrence #1 of “Dahlgren” in chapter 3.12 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 4.:

...as subsequently transferred by boat to rejoin the Army of the Potomac, or more properly the horse-hospital camp, near Washington. Aside from our losses in men, and among them the gallant and heroic Dahlgren , the result of this movement was to disable for the time being 3000 or 4000 of the very flower of our cavalry.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Ulric Dahlgren 958 79 42 1 0 user votes
Dahlgren 827 0 205 0 0 user votes
John A. Dahlgren 432 6 18 2 0 user votes
J. A. Dahlgren 209 30 1 0 0 user votes
U. Dahlgren 131 0 1 0 0 user votes
John Adolph Dahlgren 70 0 4 0 0 user votes
Charles B. Dahlgren 55 0 5 0 0 user votes
John Dahlgren 27 0 13 0 0 user votes
Ulrich Dahlgren 17 0 1 0 0 user votes
Ad Dahlgren 16 0 0 0 0 user votes
J. H. Dahlgren 10 0 0 0 0 user votes
Charles G. Dahlgren 5 0 1 0 0 user votes
Jonathan A. Dahlgren 4 0 0 0 0 user votes
C. G. Dahlgren 2 0 0 0 0 user votes
M. V. Dahlgren 2 0 2 0 0 user votes
Madeleine Vinton Dahlgren 2 0 0 0 0 user votes
Madeline Vinton Dahlgren 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.