Statistics for occurrence #1 of “Havana” in chapter 7 of Admiral David D. Porter, The Naval History of the Civil War.:

...hip Company, running from Vera Cruz, via Havana, to St. Thomas, and thence to Southampton, England. We paid our passage money for the whole route from Havana to Southampton to the British consul at Havana , who acts as the agent or representative of the said company; Mr. Slidell being accompanied by his family, consisting of his wife, four children and a servant, and Mr. Eustis by his wife and servants...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Havana (Cuba) 1,386 28 34 0 0 user votes
Havana (Illinois, United States) 252 0 2 0 0 user votes
Havana (Alabama, United States) 4 0 0 0 0 user votes
Havana (Arkansas, United States) 0 0 0 0 0 user votes
Havana (Florida, United States) 0 0 0 0 0 user votes
Havana (Kansas, United States) 0 0 0 0 0 user votes
Havana (Minnesota, United States) 0 0 0 0 0 user votes
Havana (Missouri, United States) 0 0 0 0 0 user votes
Havana (North Dakota, United States) 0 0 0 0 0 user votes
Havana (Oregon, United States) 0 0 0 0 0 user votes
Havana (Tennessee, United States) 0 0 0 0 0 user votes
Havana (Texas, 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.