William Harrison Lowdermilk (1839–1897) was a Union soldier, printer, and newspaper publisher.
During the Civil War Lowdermilk enlisted in Company S, Kentucky 6th Infantry Regiment on 24 December 1861 and was promoted to Full Private on 1 May 1862.
He was captured at the Battle of Stones River and held a prisoner of war in Libby Prison, Richmond for eight months, when he was exchanged, and then he rejoined his regiment and served with distinction until the close of the war, fighting at Shiloh, Chickamauga and Stone River.
[2] In May 1869, he established the Transcript, a daily newspaper which was published for three months, before it was abandoned, because of the ill health of the editor.
[4] Lowdermilk moved to Washington, D.C. in 1878 and embarked in the book business as a member of the firm of James Anglim & Co.