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J. McL. Hayward

J. McL. Hayward

Federal (USV)


John McLean Hayward


(1837 - 1886)

Home State: Massachusetts

Education: Harvard Medical School, Class of 1958

Command Billet: Regimental Surgeon

Branch of Service: Medical

Unit: 12th Massachusetts Infantry

Before Antietam

He received his MD from Harvard in 1858. From Boston, he enrolled as Assistant Surgeon, 12th Massachusetts Infantry on 26 June 1861. He was appointed Surgeon on 29 April 1862.

The rest of the War

He was captured and paroled at Warrenton, Va in November 1862 (certificate of parole signed by Capt. Robert Randolph of the Black Horse Cavalry, 19 November). He resigned his commission on account of illness and was discharged 22 April 1863. He was briefly post surgeon at the Long Island conscript camp in Boston Harbor, and then began private practice in Boston. He received a patent for a type of military ambulance in 1865.

After the War

He was honored for his War service by brevet to Major, US Volunteers (to date from 13 March) in October 1865. He had a successful surgical practice in Wayland, Massachusetts after the War.

References & notes

Basic service data from Soldier, Sailors, and Marines1, with details from a collection of his family's papers at the Massachusetts Historical Society, Boston. His photograph from the MOLLUS-Massachusetts Collection, US Army Military History Institute2.


1837; Boston, MA


1886 Wayland, MA


1   Commonwealth of Massachusetts, Adjutant General, Massachusetts Soldiers, Sailors, and Marines in the Civil War, 8 Vols, Norwood (MA): Norwood Press, 1931-35, Vol. 2, pg. 3  [AotW citation 12512]

2   US Army, Military History Institute (USAMHI), Military Order of the Loyal Legion of the United States (MOLLUS)-Massachusetts Photograph Collection, Published 2009, <>, Source page:  [AotW citation 12513]