From the records of the Sons of Spanish American War Veterans. - Kenneth Robison, SSAWV.
Cushman, Guy: Of Missouri. Enlisted and was mustered into service as a Private in Company M of the 1st Missouri Volunteer Infantry Regiment on May 13th, 1898, at Jefferson Barracks, Missouri, for two years service; promoted to Corporal, no date; transferred as a Corporal to Troop D of the 1st Ohio Volunteer Cavalry Regiment on July 11th, 1898; on a furlough from September 6th to October 5th, 1898; mustered out of service with the troop on October 23rd, 1898, at Camp Bushnell, Ohio. Appointed as a Second Lieutenant of Infantry in the United States Army on April 10th, 1899; accepted the appointment on April 20th, 1899; transferred to the 2nd Cavalry Regiment on May 10th, 1899, to rank from April 10th, 1899; promoted to First Lieutenant of Cavalry with the 11th Cavalry Regiment on February 2nd, 1901; promoted to Captain of Cavalry with the 15th Cavalry Regiment on September 20th, 1906; transferred to the 11th Cavalry Regiment on January 26th, 1909; graduated from the U.S. Army School of the Line in 1909; transferred to the 9th Cavalry Regiment on March 7th, 1914; transferred to the 11th Cavalry Regiment on April 26th, 1914; transferred to the 15th Cavalry Regiment on June 6th, 1916; transferred to the 11th Cavalry Regiment on July 25th, 1916; promoted to Major of Cavalry with the 23rd Cavalry Regiment on May 15th, 1917. Appointed as a Lieutenant Colonel of Infantry with the National Army on August 5th, 1917; accepted the appointment on September 12th, 1917; honorably discharged from service with the National Army on February 6th, 1919. Assigned to the 14th Cavalry Regiment on February 6th, 1919; transferred to the 13th Cavalry Regiment on July 11th, 1919; transferred to the 14th Cavalry Regiment on November 14th, 1919; promoted to Lieutenant Colonel of Cavalry on July 1st, 1920; retired from active service on July 17th, 1922, due to disability incurred in the line of duty.
Born on September 4th, 1876, in Rhode Island; died on June 3rd, 1941; buried at the National Cemetery in Arlington, Arlington County, Virginia (findagrave.com)