From: Dictionary of American Naval Fighting Ships
Mary B. Garner
A former name retained.
(SP-682: t. 252; l. 140'; b. 22'6"; s. 11 k.; a. 2 6-pdrs.)
Mary B. Garner (SP 682), built in 1912 by William E. Woodall Co., Baltimore, Md., was purchased by the Navy from the Coast Fish Oil & Guano Co., Lewes, Del., 30 April 1917; and commissioned 12 May 1917, Lt. John W. Glover in command
Attached to the Mine Sweeping Squadron of the 4th Naval District, Mary B. Garner operated out of Philadelphia sweeping the rivers, harbors, and coastal waters of Pennsylvania, Delaware, New Jersey, and Maryland through the remainder of World War I. She decommissioned at Philadelphia 15 May 1919.