Graham, William Montrose was born on September 28, 1834 in Washington, District of Columbia, United States. Son of Colonel James Duncan and Charlotte (Meade) G. Appointed from District of Columbia, Second lieutenant 1st Artillery, June 7, 1855.
Promoted through grades to brigadier general, 5th Artillery, May 26, 1897. Major general vols., May 4, 1898. Retired, September 28, 1898.
Honorary discharged from volunteer service, November 30, 1898. Bvtd.: major, July 1, 1862, “for gallant and meritorious services during Peninsular campaign”. Lieutenant colonel, September 17, 1862, for same in battle of Antietam.
Colonel, July 3, 1863, for same in battle of Gettysburg. Brigadier general, March 13, 1865, for same in the field during the war. Commanded Department of Texas, 1897.
Organized and commanded Department of the Gulf until appointed major general of vols., May 4, 1898. Organized and commanded 2d Army Corps for service in Spanish War.
Major general vols; major general of vols.
Member of the board of officers appointed by Secretary of War to locate positions of the regular batteries of Artillery on the battlefield of Gettysburg and to prepare the inscriptions on the tablets erected to mark the same.