James R. Lyon

James R. Lyon (November 4, 1833 – c. 1914) was an American merchant, Republican politician, and Union Army volunteer in the American Civil War.

Biography
Lyon was born on November 4, 1833, in Benton, New York. He later resided in Glendale, Monroe County, Wisconsin, and Sparta, Wisconsin. During the American Civil War, he served in Company I of the 6th Wisconsin Volunteer Infantry Regiment in the Union Army. Lyon was a merchant by trade.

Assembly career
Lyon was elected to the Assembly in 1888 and was defeated seeking re-election in 1890. He was a Republican.