(1840 - 1924)
Home State: Maine
Branch of Service: Infantry
Unit: 7th Maine Infantry
Before Antietam
From Embden, age 20, he mustered as Private, Company B, 7th Maine Infantry on 23 September 1861.
On the Campaign
He was reported missing in action at Antietam on 17 September 1862, and was still missing as of 2 October 1862.
The rest of the War
Family history says he was wounded and captured at Antietam and was held in Libby Prison Richmond, VA before returning home to Maine in 1863.
References & notes
The Antietam Cemetery History1 says he died 15 November 1862 and was later buried at Antietam National Cemetery. This looks like an error. Details from Hyde2 and family genealogists, some of whom have his name as Harrison Holbrook. Basic service from the Adjutant General,3 who has him as William H. Holbrook. His actual gravesite is on Findagrave.
Birth
12/11/1840; Embden, ME
Death
09/18/1924; Embden, ME; burial in Sunset Cemetery, North Anson, ME
1 Antietam National Cemetery, Board of Trustees, History of Antietam National Cemetery, Baltimore: John W. Woods, Steam Printer, 1869 [AotW citation 3988]
2 Hyde, Thomas W., Casualties in the Seventh Maine Regiment in the Battle of Antietam, Lewiston Falls (Maine) Journal, 1862-10-02 [AotW citation 6604]
3 State of Maine, Adjutant General's Office, and John L. Hodsdon, AG, Annual Report of the Adjutant General of the State of Maine for the Year ending December 31, 1862, Augusta: Stevens and Sayward, Printers to the State, 1863, pg. 168 [AotW citation 20800]