George M. McGill-- Bvt. Colonel in the U. S. Army as a Surgeon. 
John Field Randolph--Surgeon U.S. Army.  He was a Bvt. Lt. Colonel in the U.S. Army.
Thomas Rickett Pooley--U. S. Medical Staff
Mary E. Peck--Civil War Nurse
John J. Martin--28th U.S. Veteran Infantry
William Harris--U.S. Army Medical Corp. Chaplain.
Joseph Claypoole Clark--Major/BVT Colonel--4th U.S. Light Artillery
Maurice Schmidt--Ordinance Department & Arsenal U.S. Army
Theophilus H. Andress--Medical Cadet
Charles R. Nelden--Medical Cadet
Franklin Gauntt--Acting Assistant Surgeon U.S. Army
James Suydam Knox--Hospital Stewart
James B. Pier--QM Department 1863-1864
John Shannon--Orderly Sergeant
John G. Ryerson--Acting Assistant Surgeon
Andrew B. Larison--U.S. Army contract Surgeon
William Dilts Wolverton--U.S. Army Medical Department--Col. Surgeon
Harvey Brown--Colonel U.S. Army--Bvt. Brigadier General--Bvt. Major General
Abraham Morrell Cory--Medical Department, Surgeon
Joanna P. R. Perry--Nurse
W. E. Hardgrove--Co. B, 13th Battalion, U.S. Guards
Arthur G. Thomas--Union Army Hospital Chaplain
George H. Baskins--Quartermaster Corps.
Alexander Eakin Shiras--U.S. Army Commissary, Bvt. Brig. Gen. & Bvt. Major Gen.
Alexander Jaudel--Hospital Steward
Jacob V. W. Herbert--U.S. Paymaster
Matthew H. Vanderveer--US Army Orderly Sgt.  Surgeon General Staff
Thomas Stubbs Allison--Assistant Paymaster
George P. Ihrie--Lt. Colonel/Bvt. Brigadier General
Randolph B. Marcy--Brigadier General
John A. Roebling--US Army Engineer
William Rollinson--GS Officers Corp.  Chaplin, Ft. Schuyler, N.Y.
Albert Frankenfield--Commissary Department
John Lyons--Nurse     
Frederick P. Hill--U.S. Infantry--Unit unknown
Josiah Simpson--Medical Staff. Bvt. Lt. Colonel
William Grumman (Gruman)--3rd Bde. 2nd Division USA Musician
Louisa Kellogg--Civil War Nurse
Michael J. Kennedy--Only listed as being in the U.S. Army
Lewis Mackey Osmun--Acting Assistant Surgeon
William R. Ramsey--Assistant Surgeon U.S. Medical Staff
George W. Saylor--Medical Cadet Stewart
Stevens George Cowdrey--U.S. Army Assistant Surgeon--1st Lieutenant
Groff (Graff) Stauffer--Musician U.S. Army
Samuel Moore Reynolds--Major & Paymaster
Lewis D. Harlow--U.S. Volunteer Medical Staff, Assistant Surgeon
Oliver W. Ginn--Scout
Rufus C. Swope--Quartermaster Department--Captain
Thomas S. Allison--U.S. Army Paymaster   
Alfred Coke Gould--Quartermaster
Jeremiah Cross--Surgeon
James V. Muldoon--Co. E & K 55th U.S. Infantry
Charles J. Easton (East) --Co. A & I-22nd U.S. Infantry
Edward C. Woodruff--Unassigned
Elias Joseph Marsh--Assistant Surgeon
John C. Hopper--Captain--Aide-De-Cap to General Fremont
William B. Grover--Hospital Steward

Signal Corps