Born in Vandalia, Illinois, Remann attended the common schools of Vandalia and the Mifflin (Pennsylvania) Academy. He was graduated from the Iron City Business College, Pittsburgh, Pennsylvania, in April 1865. During the Civil War served as corporal in Company E, One Hundred and Forty-third Regiment, Illinois Volunteer Infantry. He again attended Mifflin Academy in 1866 and 1867 and was graduated from Illinois College at Jacksonville in 1868. He returned to Vandalia and engaged in mercantile pursuits. He served as county supervisor of Fayette County and as alderman of Vandalia. He served as delegate to numerous Republican State conventions. He served as member of the State house of representatives in 1877 and 1878.
Remann was elected as a Republican to the Fifty-fourth Congress and served from March 4, 1895, until his death in Vandalia, Illinois, July 14, 1895, before the convening of Congress. He was interred in South Hill Cemetery.
This article incorporates public domain material from websites or documents of the Biographical Directory of the United States Congress.