Father: Dr. Alexander Hamilton Mason
Mother: Jane Allen Smith
- Attended an academy, Fredericksburg, VA
1855 - M.D. degree, Medical College of Virginia, Richmond, VA (from: VA)
05/30/1858 - Father, Dr. Alexander Hamilton Mason, died
11/02/1858 - Married, Mary McIntyre Eliason (she died in 1910)
06/12/1860 - Practiced medicine, Stafford Co., VA [lived with wife, Mary M., and 1 child]
07/01/1861 - Appointed, Asst. Surgeon, Provisional Army of the Confederate States (P.A.C.S.)
07/01/1861 - Ordered to report to Gen. T. H. Holmes
07/30/1861 - Asst. Surgeon, Fredericksburg, VA
10/01/1861 - Entered on duty, Gen. Hospital, Fredericksburg, VA
10/17/1861 - Asst. Surgeon, Gen. Hospital No. 1, Fredericksburg, VA
11/15/1861 - Asst. Surgeon, stationed in Fredericksburg, VA
12/04/1861 - Asst. Surgeon & Senior Medical Officer, Gen. Hospital No. 1, Fredericksburg, VA
12/27/1861 - Asst. Surgeon-in-charge, Gen. Hospital No. 1, Fredericksburg, VA
02/01/1862 - Asst. Surgeon, Gen. Hospital, Fredericksburg, VA
02/28/1862 - Asst. Surgeon-in-charge, Hospital No. 1, Fredericksburg, VA
03/31/1862 - Received "at the crossroads", $20 for the hire of a Negro Man, William, as a laborer in the Commissary Department for one month
05/31/1862 - Received at Camp McIntosh [?near Goldsboro, NC], $20 for hire of servant William in the Commissary Department 4th Brigade Department of North Carolina for one month
06/04/1862 - Asst. Surgeon, "Hospital Danville Work Shop", Danville, VA
06/04/1862 - Appointed Surgeon, Provisional Army of the Confederate States
07/22/1862 - Surgeon-in-charge, Danville Hospital, Danville, VA
09/24/1862 - "Surgeon A. S. Mason, P.A.C.S. is assigned to duty in this Department as Assistant Medical Director by order of Major Genl. G. W. Smith" Signed by E. S. Gaillard, Medical Director [S.O. 11 Richmond]
10/23/1862 - Surgeon, Gen. Hospital No. 11 (Florida Hospital), Richmond, VA
12/07/1862 - "Surgeon A. S. Mason, P.A.C.S., is announced as Chief Surgeon of this Command, and will be obeyed and respected accordingly. By Comd of Maj Genl Elzey" [S. O. No. 2]
12/17/1862 - Surgeon, Gen. Hospital, Farmville, VA
12/16/1862 - "Surgeon A S Mason, P.A.C.S. is assigned to duty as Chief Surgeon of Maj General Arnold Elzey's Command and will without delay report accordingly. By Command Maj. Gen. G. W. Smith" [S.O. 189]
12/17/1862 - "Surgeon A. S. Mason, P.A.C.S., is announced as Chief Surgeon of this Command, and will be obeyed and respected accordingly. By command of Major General A. Elzey, District Head Quarters, Richmond"
12/18/1862 - Chief Surgeon, District Headquarters, Richmond, VA
01/09/1863 - 08/00/1864 - Medical Director, Gen. Arnold Elzey's Command, Department of Richmond
04/17/1863 - Chief Surgeon, Department of Richmond, Gen. Arnold Elzey's Command
06/01/1863 - Surgeon on duty in Richmond, VA
08/14/1863 - Chief Surgeon & Acting Medical Director, Department of Richmond
08/31/1863 - "On duty in Richmond"
12/16/1863 - Surgeon, Richmond, VA
01/21/1864 - Surgeon, Richmond, VA
04/28/1864 - Chief Surgeon, Department of Richmond
07/25/1864 - Announced as Chief Surgeon on staff of Lt. Genl. R. S. Ewell, Department of Richmond [G.O. 39]
09/08/1864 - Chief Surgeon, Department of Richmond
12/20/1864 - Chief Surgeon, Department of Richmond
04/09/1865 - Admitted to Confederate States Army Gen. Hospital, Charlottesville, VA
04/12/1865 - Returned to duty as Chief Surgeon, Gen. R. S. Ewell's staff
04/23/1865 - Paroled at Ashland, VA, and given permission to go to his home in Fredericksburg, VA
1867 - Located his medical practice in Hagerstown, Washington Co., MD
06/28/1870 - Practiced medicine, Hagerstown, MD [living with wife, Mary M., and 5 children]
1874 - Practiced medicine, Hagerstown, MD
06/05/1880 - Practiced medicine, Hagerstown, MD [living with wife, Mary M. and 5 children]
1890,1893,1896 - Practiced medicine, Hagerstown, MD
06/06/1900 - Practiced medicine, Hagerstown, MD [living with wife, Mary M. and 3 children]
01/13/1910 - Wife, Mary McIntyre Eliason Mason, died
- Member, American Medical Association
- Member, Masonic Lodge, Fredericksburg, VA
- President, Confederate Memorial Association, Washington Co., MD
05/26/1911 - Died at his home on West Washington St., Hagerstown, MD, of angina pectoris. "He had been in ill health for several years and in critical condition for nearly a month."

Note: One of Dr. Smith's children was Dr. Edwin Gaillard Mason who was presumably named after Confederate Surgeon and Medical Director Edwin Gaillard. Dr. Edwin Gaillard Mason died in 1904.

Note: The image of Dr. Mason posted by George Seitz is from a historical marker in Hagerstown, MD. Thank you George.

This biographical sketch is from:
Hambrecht, F.T. & Koste, J.L., Biographical
register of physicians who served the
Confederacy in a medical capacity.
07/01/2015. Unpublished database.