Education
He attended the common schools, and Prairie Seminary, in Richland. He studied law.
United States representative lawyer politician
He attended the common schools, and Prairie Seminary, in Richland. He studied law.
He was then admitted to the bar in 1868, and commenced practice in Kalamazoo, Michigan. He moved to Oconomowoc, Wisconsin in 1868 and practiced law. He also published the Louisiana Belle Mirror.
He moved to Waukesha, Wisconsin in 1870, and continued the practicing law.
He also became the town"s superintendent of schools. He served as district attorney of Waukesha County in 1876 and 1877.
Sumner was elected as a Democrat to the Forty-eighth Congress (March 4, 1883-March 3, 1885). He represented Wisconsin"s 2nd congressional district.
He was not a candidate for renomination in 1884.
Afterwards he resumed the practice of law. He died in Waukesha, Wisconsin on May 29, 1903. He was interred in Prairie Home Cemetery.
He served as a member of the county board of supervisors.