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Federal (USV)


Hamilton Monaghan

(c. 1838 - 1862)

Home State: Pennsylvania

Branch of Service: Infantry

Unit: 124th Pennsylvania Infantry

Before Antietam

Age 24, he enlisted on 6 August 1862 in West Chester and mustered as Private, Company F, 124th Pennsylvania Infantry on 11 August in Harrisburg.

On the Campaign

He was admitted to a US Army hospital in Frederick, MD on 19 September 1862 with typhoid fever, and died there on 22 September.

References & notes

Service information from Bates1 and the Register;2 both say he died in Frederick on 11 March 1863 of wounds received at Antietam. Hospital details from the Patient List.3 His death by disease confirmed in the History.4 His gravesite is on Findagrave.


c. 1838


09/22/1862; Frederick, MD; burial in Antietam National Cemetery, Sharpsburg, MD


1   Bates, Samuel Penniman, History of the Pennsylvania Volunteers, 1861-65, Harrisburg: State of Pennsylvania, 1868-1871  [AotW citation 11148]

2   Commonwealth of Pennsylvania, Adjutant General's Office, Register of Pennsylvania Volunteers, 1861-1865, 16 volumes, Harrisburg  [AotW citation 23780]

3   National Museum of Civil War Medicine, and Terry Reimer, Frederick Patient List, Published 2018, first accessed 17 September 2018, <>, Source page: patient #4.135  [AotW citation 23781]

4   Green, Robert McCay, compiler, History of the One Hundred and Twenty-fourth Regiment, Pennsylvania Volunteers in the War of the Rebellion 1862-1863, Philadelphia: Ware Brothers Company, printers, 1907, pg. 179  [AotW citation 23782]