Colonel Grayson M.-P. Murphy (Grayson Mallet-Prevost Murphy) (1878–1937) was an American private banker and a director of Anaconda Copper Mining Company, Guaranty Trust Company, New York Trust Company, Bethlehem Steel, Goodyear Tire & Rubber, New York Railways, Fifth Avenue Coach Co., and Chicago Motor Coach Co. Mr. Murphy was very active in the Association Against the Prohibition Amendment and voiced his opposition to the 18th Amendment at a Congressional hearing. His efforts contributed to the repeal of prohibition in the United States.
He had previously attended Haverford College and was a volunteer in the Spanish-American War. He also attended the United States Military Academy and was a lieutenant in the Philippine-American War. At various other times he was a Senior Vice-President of Guaranty Trust Company, Chief Commissioner of the American Red Cross in Europe, and Lieutenant-Colonel in charge of operations, 42nd Division. He was also Founder and Head of G.M.-P. Murphy & Co., Treasurer of the American Liberty League and a recipient of the Army Distinguished Service Medal, as authorized by Congress on July 9, 1918.
"Grayson M.-P. Murphy's obituary". TIME. 1937-11-01. Retrieved 2007-03-16.
"Major Murphy Sees His Duty in Army" (PDF). The New York Times. 1918-01-07. Retrieved 2009-01-06.
"Grayson M. P. Murphy: Army Distinguished Service Medal". MilitaryTimes. Retrieved 2010-09-12.
Murphy, Grayson M.-P. (address delivered on January 23, 1918). "What the American Red Cross has been doing the past year". (address given at a meeting in the Waldorf Astoria Hotel, New York): printed for distribution by the New England Division, American Red Cross, . pp. 15 pages. Check date values in: