Statistics for occurrence #1 of “Beaufort, S. C.” in year 1863, month March of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...red at the mouth of Indian River Inlet, Fla., by a boat expedition from the National steamer Sagamore.--The expeditionary, force of National troops, under the command of Col. John D. Rust, which left Beaufort, S. C. , on the nineteenth instant, arrived at Jacksonville, Florida, to-day.--(Doc. 148.) The rebel steamer Havelock, under the command of Captain L. M. Coxetter, ran the blockade into Charleston...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Beaufort, S. C. (South Carolina, United States) 1,501 34 343 14 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.