sentences:  He was a member of the Oswego Board of Education from 1853 to 1856, a Supervisor of Oswego County in 1854 and 1855, District Attorney from 1857 to 1860, and judge of the Oswego County Court from 1861 to 1864.He was appointed by Governor Morgan commissioner to superintend the draft for Oswego County in 1862 and 1863.Churchill was elected as a Republican to the 40th and 41st United States Congresses, and served from March 4, 1867 to March 3, 1871.