Residence Pontoosuc IL;
Enlisted on 8/1/1862 as a Private.
On 9/1/1862 he mustered into "H" Co. IL 78th Infantry
He was Mustered Out on 6/17/1865
He was listed as:
* POW (date and place not stated)

Sources used by Historical Data Systems, Inc.:
- Illinois: Roster of Officers and Enlisted Men

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Orrin P. Seward, Private, Co. H, 78th Ill. Inf., filed for pension Application No. 459,731, Certificate No. 360,710, died Apr. 6, 1927 at Lewistown, Ill.

T289: Organization Index to Pension Files of Veterans Who Served Between 1861 and 1900