Statistics for occurrence #1 of “Cockpit Point” in chapter 22 of Admiral David D. Porter, The Naval History of the Civil War.:

... event occurred on this water highway to Washington, early in the war the Confederates left nothing undone to stop the passage of transports, and even men-of-war, but they were not very successful. Cockpit Point was one of the places made quite strong by the enemy, and for a time it was considered quite a dangerous place to pass. No persistent attack was made upon it until March, 1862, and as our Army wa...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cockpit Point (Virginia, United States) 79 4 3 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.