Statistics for occurrence #1 of “Port Royal” in chapter 33 of Admiral David D. Porter, The Naval History of the Civil War.:

...osed the vessel was sinking, and probably thought those on board could take care of themselves. In two hours repairs were made, and with the assistance of the Stettin and Flag the Mercedita reached Port Royal . When the Keystone State was attacked, Commander Le Roy gallantly returned the enemy's fire, but the ram lodged a shell in the fore-hold of his vessel, which set the Keystone State on fire and ob...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Royal (South Carolina, United States) 2,928 130 170 6 0 user votes
Port Royal (Jamaica) 4 0 4 0 0 user votes
Port Royal (Georgia, United States) 2 0 0 0 0 user votes
Port Royal (Alabama, United States) 0 0 0 0 0 user votes
Port Royal (Florida, United States) 0 0 0 0 0 user votes
Port Royal (Kentucky, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Tennessee, 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.