Background
Mccain, Henry Pinckney was born on January 23, 1861 in in Carroll Company, Mississippi, United States. Son of W. A. Mccain.
Mccain, Henry Pinckney was born on January 23, 1861 in in Carroll Company, Mississippi, United States. Son of W. A. Mccain.
Graduated from the United States Military Academy, 1885.
Commissioned Second lieutenant 3d Infantry, June 14, 1885. Promoted through grades to colonel, April 23, 1904. Brigadier general the adjutant general, August 27, 1914.
Major general the adjutant general, October 6, 1917.
Major general National Army, August 27, 1918. Major general regular army, retired, July 22, 1921.
Served in Montana and Minnesota until 1889. Member General Staff Corps and chief of staff, Department of Mindanao and of Southwestern Division, March and April 1904.
Married Emeline De Moss, November 14, 1888.