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Federal (USV)


Gilbert Chaddock

(1827 - 1904)

Home State: Michigan

Education: Buffalo and Geneva Medical College, Class of 1853

Branch of Service: Medical

Unit: 7th Michigan Infantry

Before Antietam

He had a medical practice in Toledo, OH for 7 years, then went to Jonesville, Hillsdale County, MI in 1860. He was commissioned Surgeon, 7th Michigan Infantry on 5 January 1862 and joined his regiment at Poolsville, MD.

On the Campaign

He treated wounded soldiers at the "Stone House" field hospital - the Samuel Poffenberger barn and house - near the battlefield after Antietam in September 1862. A visiting US Sanitary Commission doctor noted that his hospital was ...

faithfully managed, every patient properly and kindly treated. Success good. No ambulances. Dr. C. has been overworked; he had but one assistant [Dr. Young] except a Confederate surgeon [Dr. Pierra], he has taken care of his patients very faithfully.

The rest of the War

He was detailed as Chief Surgeon, 1st Brigade, 2nd Division, 2nd Army Corps on 20 June 1864 and was discharged at the end of his term on 15 January 1865.

After the War

He had a practice in Jonesville as a physician and druggist until 1879, when he moved to Muskegon. He had retired from his profession at the time of his death in Berkley, CA in 1904.

References & notes

Basic service from the Record of Service.1 Details from a bio sketch in The Advantages and Surroundings of Muskegon, Mich. (1892). The quote above from Dr. Elisha Harris from his Report on Field Hospitals Indicated on Map of Battlefield of Antietam, in Nelson.2 His gravesite is on Findagrave.

One of his patients after Antietam was Pvt. Richard Haley, 18th Mississippi.


05/08/1827; Genesee County, NY


04/01/1904; Berkeley, CA; burial in Oakwood Cemetery, Allegan, MI


1   State of Michigan, Office of the Adjutant General, and George H. Brown, Adjutant General; George H. Turner, Asst. AG, compiler, Record of Service of Michigan Volunteers in the Civil War, 1861-1865, 46 volumes, Kalamazoo: Ihling Bros. & Everard, 1904-1915, Vol. 7, pg. 22  [AotW citation 21388]

2   Nelson, John H., As Grain Falls Before the Reaper: The Federal Hospital Sites and Identified Federal Casualties at Antietam, Hagerstown: John H. Nelson, 2004, pg. 33  [AotW citation 21389]