Born in Chicopee, Mass._Son of William G. Underwood,_by occupation a Clerk,_Unmarried,_at the age of 24 enlisted as a recruit in the 1st Regiment of Cavalry, Mass. Vols._
Mustered into service August 14, 1862._In camp at Cambridge, Mass. Until September 3, 1862._Thence to Washington; remained there in camp till Nov. 5th following, then proceeded to join the regiment at Hagerstown, Md. And was assigned to Company H._
Immediately after the Battle of Fredericksburg, Dec. 1862._Underwood went off duty and remained so through the winter, but not in hospital.
March 7, 1863 he was discharged from the service and returned to Chicopee.
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