Halloran, George Matthew was born on January 19, 1889 in Fort Abraham Lincoln, North Dakota, United States. Son of Captain James and Mary (Keane) Halloran.
Student Pennsylvania State College, 1908-1910. Graduate Chemical Warfare Service School, 1921, Army War College, 1926, Army Industrial College, 1927.
1 son, James Paul Stacy. Commissioned Second lieutenant, Infantry, October 7, 1911, and advanced through the grades to brigadier general, October 27, 1942. Professor military science, University of Wyoming, 1936-1940.
Assistant executive, 1st Military Area, Knoxville, 1940-1941. Acting chief of staff, 81st Division, July-December 1941. Commanding officer, Camp Shelby from December 1941.