Harrison Whittemore (b. May 2, 1837, Danvers, Essex County, Mass.-d. July 20, 1928), son of Joseph Whittemore and Eliza Estey Whittemore, originally from New Hampshire. He had one sister, Mary Eliza, and a brother, Joseph Warren. He attended the Scientific School of Harvard College prior to joining the army. He joined Company K, 1st Regiment, Massachusetts Volunteer Infantry, on May 24, 1861, and was first stationed at Cambridge, Massachusetts, at Camp Ellsworth. He was a veteran of the 1st and 2nd battles of Bull Run, the Battle of Williamsburg, the Battle of Fredericksburg (Va.), the Battle of Chancellorsville, the Battle of Gettysburg, and the Battle of the Wilderness. He received his discharge from the army on May 25, 1864, with the rank of Sergeant. In 1865, Whittemore married Eunice Cobb, and they had two sons, Arthur H. Whittemore and Charles H. Whittemore.
From the description of Whittemore, Harrison, 1837-1928 (U.S. National Archives and Records Administration). naId: 10601639