Education
He attended school in Beloit, Wisconsin, and New York Central College, McGrawville, New New York
officer politician representative
He attended school in Beloit, Wisconsin, and New York Central College, McGrawville, New New York
He was principal of Lewistown (Pennsylvania) Academy, superintendent of the public schools of Mifflin County, Pennsylvania, and principal of Mercer Union School, Pennsylvania from 1856 to 1861. He was commissioned captain in the Tenth Pennsylvania Reserves July 21, 1861, lieutenant colonel May 14, 1862, colonel April 25, 1863, and colonel of the Veteran Reserve Corps November 15, 1863. He was brevetted brigadier general March 13, 1865.
Warner studied law and was admitted to the bar in Indianapolis, Indiana in 1865 but never practiced.
At the conclusion of the war, he returned to Pennsylvania, and in 1866 moved to Marietta, Ohio. He engaged in the oil, coal, and railroad businesses.
Warner was elected as a Democrat to the Forty-sixth Congress (March 4, 1879 – March 3, 1881). He was an unsuccessful candidate for reelection in 1880 to the Forty-seventh Congress.
Warner was elected to the Forty-eighth and Forty-ninth Congresses (March 4, 1883 – March 3, 1887).
He was not a candidate for reelection in 1886. He served as delegate to the 1896 Democratic National Convention. He engaged in street railway construction in the District of Columbia and in railroad construction in Ohio.
From about 1898 until six months before his death, he engaged in transportation and power development in Georgia.
He died in Marietta, Ohio August 12, 1910. He was interred in Oak Grove Cemetery.