Born in Jefferson County, New York. Enlisted in the 5th Vermont Infantry for three years at Manchester, Bennington County, Vermont under the name of Dyer Mattison on 12 Aug 1861. Mustered in as 3rd Sergeant of Company E at St. Albans, Franklin County, Vermont on 16 Sep 1861. On 29 Oct 1861 sick in hospital at Georgetown, District of Columbia. On 1 Jan 1862 in General Hospital at Philadelphia, Pennsylvania. On 28 May 1862 reduced to Private. Taken prisoner during the Battle of Savage's Station, Virginia on 29 Jun 1862. On 13 Sep 1862 delivered to Aiken's Landing, Virginia for prisoner exchange. On 12 Oct 1862 detailed as a carpenter (his pre-war occupation). Discharged for disability at Convalescent Camp, Virginia on 14 Nov 1862. Enlisted in the 16th New York Heavy Artillery for three years at Hoosick, Rensselaer County, New York under the name of George D. Matteson. Mustered in as a Private in Company K the same day enlisted. Mustered out with his Company at Washington, DC. A member of Custer Post No. 6 of Tacoma, Pierce County, Washington. Died in Tacoma, Washington. His goverment headstone spells his last name as "Mattison" while the family grave marker spells it as "Matteson".