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NavSource Online:
Section Patrol Craft Photo Archive

Lady Mary (SP 212)

Civilian call sign (1919):
Love - Fox - Mike - King

Patrol Yacht:

  • Built in 1905 as Glenda by George Lawley and Sons Corp., Neponset, MA
  • Acquired by the Navy 21 July 1917
  • Commissioned USS Lady Mary (SP 212), 24 July 1917
  • Returned to her owner 9 December 1918
  • Fate unknown.


  • Displacement 62 t.
  • Length 96' 6"
  • Beam 14'
  • Draft 4' 3"
  • Speed 12.5 kts.
  • Complement 13
  • Armament: One 3-pounder and two machine guns
  • Propulsion: Two 100ho 6-cylinder Sterling gasoline engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Lady Mary 82k Photographed prior to her World War I Naval service
    U.S. Navy photo NH 83322
    Naval History and Heritage Command

    Dictionary of American Naval Fighting Ships: Lady Mary (SP-212), a motor yacht, was built as Glenda in 1905 by George Lawley & Sons Corp., Boston, Mass.; owned by B. E. Niese of New York City and C. S. Smith of Stamford, Conn.; and taken over under charter as Lady Mary 16 July 1917. Acquired by the Navy 21 July she commissioned 24 July 1917 at Newport, R.I.; Ens. H. S. Allen, USNRF,
    in command.

    Assigned to the 2d Naval District, Newport, she served on dispatch duty and patrolled coastal waters in Block Island Sound from Newport to Block Island. She was returned to her former owner
    9 December 1918.

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