Statistics for occurrence #1 of “Portsmouth” in article pos=44 of The Daily Dispatch: April 13, 1861., [Electronic resource]:

...few days since. Dr. James Crabtree, who has been postmaster at Tumbling creek, Washington co., Va., more than thirty years, died last week. A number of recruits for the Southern Army left Portsmouth . Va., yesterday morning, for Charleston. Hon. A. H. Boteler, of Virginia, announces himself and independent Union candidate for re-election to Congress.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Portsmouth (New Hampshire, United States) 470 0 134 0 0 user votes
Portsmouth (United Kingdom) 107 0 13 0 0 user votes
Portsmouth (Dominica) 0 0 0 0 0 user votes
Portsmouth (Iowa, United States) 0 0 0 0 0 user votes
Portsmouth (Kentucky, United States) 0 0 0 0 0 user votes
Portsmouth (Virginia, United States) 0 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.