Chauncey P. Dean was born 25 December 1831 in Kendall, NY and he enlisted on 13 April 1864 at the New York Naval Rendezvous for a two year enlistment with the rate of Seaman . He was attached to the U.S.S. Tecumseh in April 1864  as a petty officer with the rating of quartermaster.
Dean was one of the survivors of the sinking of the Tecumseh on 5 August 1864. He was picked up from the water by Acting ENS Henry Clay Nields' cutter from the Metacomet . Dean received a back injury from the explosion of the mine under the Tecumseh that resulted in a life-long partial paralysis of his right leg.
Per his disability pension papers, a partial list of commands Dean served at either under his name or the alias "Charles Porter" he enlisted under in 1859 are:
Enlisted 19 April 1859 as "Charles Porter"
U.S.S. North Carolina 19 April 1859 to 28 April 1859
U.S.S. Ohio 29 April 1859 to 28 May 1859
U.S.S. Hartford 29 May 1859 to 16 December 1861 when discharged
Enlisted 13 April 1864 as Chauncey P. Dean
U.S.S. Tecumseh with rating of Signal Quartermaster
U.S.S. Selma with rating of Boatswain Mate
U.S.S. John P. Jackson with rating of Yeoman
U.S.S. Aroostook until discharged on 27 August 1865
After the war when he was able to work, Dean worked as a painter and wallpaper hanger. He died 22 September 1906 in Cattaraugus County, New York.
IntermentDelevan Cemetery, Delvan, New York
DependentsWife:Rhoda M. Dean
Daughter:Susie E. Dean (born 1863)
Awards & Memorials
Alternate Spellings of Name
References and Sources Return of the United States Naval Rendezvous, Brooklyn, NY, for the week ending 16 April 1864
 NARA T1099. An index to rendezvous reports during the Civil War, 1861-1865.
"Report of Rear-Admiral Farragut, U.S. Navy, transmitting report of two survivors from the U.S. Monitor Tecumseh, August 27 1864" Official Records of the Union and Confederate Navies in the War of the Rebellion: Series I, Volume 21 West Gulf Blockading Squadron from January 1 to December 31, 1864 (1906)
 Case Files of Approved Pension Applications of Widows and Other Dependents of Civil War and Later Navy Veterans ("Navy Widows' Certificates"), 1861-1910
"List of men transfered to the U.S.S. Tecumseh from the receiving ship North Carolina, April, 1864" Official Records of the Union and Confederate Navies in the War of the Rebellion: Series I, Volume 21 West Gulf Blockading Squadron from January 1 to December 31, 1864 (1906)