Bayne was born in
Bellevue, Pennsylvania. He attended the public schools and
Westminster College in
New Wilmington, Pennsylvania. He studied law. During the
American Civil War, he entered the
Union Army in July 1862 as
colonel of the
136th Pennsylvania Infantry. He took part in the battles of
Fredericksburg and
Chancellorsville. He resumed the study of law in 1865, and was admitted to the bar of Allegheny County in April 1866. He was elected as district attorney for
Allegheny County, Pennsylvania in October 1870 and held the office until January 1, 1874. ==Suicide==