USS Sister (SP-822) was a United States Navy tug in commission from 1917 to 1919.

Sister was built as a small commercial steam tug of the same name in 1882. She was based at Madisonville, Louisiana, in May 1917 when the U.S. Navy acquired her from her owner, L. F. Young of Madisonville, for use during World War I. She was assigned the section patrol number 822 and commissioned as USS Sister (SP-822) on 11 June 1917. The Navy formally purchased her from Young on 29 June 1917.

Assigned to the 8th Naval District, Sister served as a tug and freight boat for the rest of World War I and into 1919. One sourceThe Dictionary of American Naval Fighting Ships at http://www.history.navy.mil/danfs/s13/sister.htm. claims that she also carried out patrol duties.

Sister was stricken from the Navy List on 17 June 1919 and sold to Armond Mayville of Algiers, Louisiana, on either 10 MarchDepartment of the Navy Naval History and Heritage Command Online Library of Selected Images: Civilian Ships: Sister (Harbor Steamer, 1882). Served as USS Sister (SP-822) in 1917-1920. or 3 OctoberDictionary of American Naval Fighting Ships at http://www.history.navy.mil/danfs/s13/sister.htm and NavSource Online: Section Patrol Craft Photo Archive Sister (SP 822). 1920

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References

Department of the Navy Naval History and Heritage Command Online Library of Selected Images: Civilian Ships: Sister (Harbor Steamer, 1882). Served as USS Sister (SP-822) in 1917-1920