Education
He attended public schools in Augusta, Maine and graduated from Kent Hill (Maine) Seminary in 1886.
United States representative politician
He attended public schools in Augusta, Maine and graduated from Kent Hill (Maine) Seminary in 1886.
He moved to Fitchburg in 1893. He was a delegate to every Republican State Convention held between 1915 to 1946. He was elected as a Republican to the 69th Congress and the following four Congresses (March 4, 1925 - January 3, 1935).
He was an unsuccessful candidate for reelection in 1934 to the 74th Congress, and resumed management in the contracting business.
He resided in Fitchburg until his death there on February 15, 1947, aged 81. Interment in Forest Hill Cemetery.
Foss was a member of the Bricklayers, Masons, and Plasterers International Union of America Union, number 19, until 1895 when he took out an honorable withdrawal card and became a general contractor engaged in the construction of industrial plants. He was a member of the Fitchburg city council (1906–1912). Water commissioner (1913–1915).
Mayor of Fitchburg (1917–1920).
Member of the Republican State committee (1915–1946), and served as chairman (1921–1924).