William D. Gregory

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William D. Gregory
Born	(1825-12-31)December 31, 1825 Marblehead, Massachusetts, US
Died	August 14, 1904(1904-08-14) (aged 78) Marblehead, Massachusetts, US
Nationality	American
Occupation	Shipmaster
Years active	c. 1840–1866

William Doliber Gregory (December 31, 1825 – August 14, 1904) was an American sea captain born in Marblehead, Massachusetts. Gregory was captain of the clipper ship Tejuca from her 1854 completion to her foundering and sinking in an 1856 hurricane; Gregory and most of his crew were rescued only at the last moment by the courageous intervention of a passing ship. Gregory was later commander of the bark Albers, and in 1857 is said to have put down a riot on his ship virtually singlehanded.

With the outbreak of the American Civil War in April 1861, Gregory took a temporary commission in the United States Navy and was given command of the brig USS Bohio. Bohio under Gregory's command took a number of prizes, the most remarkable example of which involved a ruse to disguise his vessel as a steamship in order to deceive the enemy into surrendering.

After resigning from the Navy, Gregory struggled to find a new command due to the exigencies of war. His last voyage as a mariner was reportedly made in 1866.