Statistics for occurrence #1 of “Morris' Island” in year 1861, month January, day 1 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...the troops at Fort Sumter, and then attack them on rafts with the aid of batteries already erected. There is a battery of earthwork, logs, and sand, on the end of Sullivan's Island, and also one on Morris' Island . Commander Pettigru, of Castle Pinckney, orders that no boat shall be allowed to approach the wharf-head without permission, under penalty of serious consequences in case of violation. The city...
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