Green, Thomas Henry was born on April 11, 1889 in Cambridge, Massachusetts, United States. Son of Jeremiah and Emeline (Louise) Green.
Bachelor of Laws, Boston University, 1915. Master of Laws, George Washington University, 1923.
Commissioned Second lieutenant, Cavalry, United States Army, October 24, 1917, and advanced through the grades to major general, December, 1945. Appointed assistant judge advocate general, April 14, 1943. Judge advocate general, December, 1945.