(Submarine No. 47: displacement 488 (surfaced), 676 (submerged); length 196'3"; beam 19'; draft 11'; speed 14 knots (surfaced), 10.5 knots (submerged); complement 29; armament 1‑3-inch. 4‑18-inch torpedo tubes; class M‑1)
M‑1 (Submarine No. 47) was laid down on 2 July 1914 at Quincy. Mass., by the Fore River Shipbuilding Co., for the Electric Boat Co.,; launched on 14 September 1915; sponsored by Miss Sara Dean Roberts, daughter of the Honorable Ernest W. Roberts of Massachusetts, member of the Naval Committee of the U.S. House of Reprsentatives; and commissioned on 16 February 1918; Lt. Cmdr. Maurice R. Pierce in command.
Following commissioning, M‑1 was assigned to Submarine Division 2, and was home ported at Newport, R.I. For the next three years, she operated off the east coast of the U.S., providing training. During her last year of active service, she was under the operational control of Submarine DIvision 5 and Submarine Division 3.
Decommissioned at Philadelphia [Pa.] Navy Yard on 15 March 1922, she was stricken from the Navy Register the following day, and was sold for scrap on 25 September 1922 to J. G. Hitner of Philadelphia.
Updated, Robert J. Cressman
12 January 2021