Statistics for occurrence #1 of “D. D. Porter” in chapter 140 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 8.:

... those vessels were defended, and has reason to believe that the officers and men did their whole duty nobly and faithfully. Very respectfully, Gideon Welles, Secretary of the Navy. Rear-Admiral D. D. Porter , Commanding Mississippi Squadron, Cairo, III.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
D. D. Porter 816 10 14 0 0 user votes
Admiral D. D. Porter 112 0 0 0 0 user votes
Commander D. D. Porter 28 0 0 0 0 user votes
Captain D. D. Porter 4 0 0 0 0 user votes
Lieut D. D. Porter 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.