He was the son of Benjamin Franklin and Elizabeth (Hexworth) Hancock.
A graduate of the USMA, West Point, NY in 1844, Hancock was a brave soldier who became General Major of the US Army in 1866. During the Civil War he commanded a corps in the Battle of Gettysburg in 1863 and at Spottsylvania Court House, where he took 4000 prisoners in 1864.
Walker, Francis A., Biography of General Winfield Scot Hancock, New York, 1894; Cullum Memorial Edition, Register of Graduates and former cadets, United States Military Academy, West Point, 1980, No. 1223; Johnson, Rossiter (ed.), The Twentieth Century Biographical Dictionary of Notable Americans, 10 vols., Boston, 1904, vol. 5; Who Was Who in America, Chicago, 1963, p. 232.