Spalding, Isaac was born on December 18, 1887 in Denton, Texas, United States. Son of Henry Moses and Eleanor (Lindsay) Spalding.
Bachelor of Science, United States Military Academy, 1912. Graduate Mounted Service School, 1916, Field Artillery School, 1925, Command and General staff schedul, 1926. Army War College, 1931, Naval War College, 1932.
Commissioned Second lieutenant, United States Army, 1912, and advanced through the grades to brigadier general, January 1942. Appointed commdg. general 12th Field Artillery Brigade, Fort Bragg, June 1942. Address: Fort Bragg, North Carolina.
Married Alice Trippet, November 4, 1913. 1 child, Ansley Lues Spalding Hill.