Statistics for occurrence #1 of “Morris Island” in part 3.5, chapter 3.7 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...solid shot fired at Fort Sumter by an impatient secessionist in the Cumming's Point battery, and the daring generosity of McInerny, a Fort Moultrie is shown on the left, and the smoke of the Morris Island battery on the extreme right. warm-hearted and loyal Irishman, who did not cross the broad Atlantic to become the citizen of only one State, and who cheerfully risked his life and ruined his Sunday ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Morris Island (South Carolina, United States) 5,391 42 427 0 0 user votes
Morris Island (Massachusetts, United States) 0 0 0 0 0 user votes
Morris Island (Tennessee, United States) 0 0 0 0 0 user votes
Morris Island (Tennessee, United States) 0 0 0 0 0 user votes
Morris Island (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.