Born in Andrew Johnson's hometown of
Greeneville, Tennessee, Brabson was one of 11 children born to John M. Brabson, founder of the First National Bank of Greeneville, and his wife Maria Harmon. Brabson graduated from the
University of Tennessee with a B.A. in 1901. He later earned a master's degree from
Vanderbilt in 1913, with a thesis on the later political career of Andrew Johnson. Brabson also served "two tours of duty in the
Philippine Islands, sharing in the suppression of the insurrection in
Samar and participating in campaigns against the
Moros." He was "chief of the intelligence staff of the War Department general staff" in Washington, D.C. for four years. He was heavily involved in training
logistics during World War II. During his army career he contributed to
Tactical Principles and Decisions,
General Staff Functioning of Large Units,
Combat Orders,
Musketry and Rifle Platoon Training, and ''Staff Officers' Note Book''. They had three children together. Brabson died in
Staunton, Virginia in 1970 at the age of 90. == Brothers and nephews ==