Statistics for occurrence #1 of “Sullivan's Island” in chapter 6, page 90 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 8:

...with a crescent in the right-hand corner. A schooner was stationed between Fort Johnson and the town, to intercept the manof-war's boats. A post was established at Haddrell's Point, and a fort on Sullivan's Island was proposed.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sullivan's Island (South Carolina, United States) 1,044 24 6 0 0 user votes
Sullivan's Island (South Carolina, 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.