Frank Watson Hess

He was appointed Captain, 15th Pennsylvania Infantry on 23 April 1861 and mustered out on 7 August 1816. He enrolled as First Lieutenant in Company I, 3rd Pennsylvania Cavalry on 4 November 1861. He was promoted Captain, Company M on 8 July 1862.

He commanded Company M on the Maryland Campaign of 1862.

He was promoted to Major of the Veteran Battalion of the Third Pennsylvania Cavalry (remaining reenlisted troopers of the 3rd Cavalry) on 31 October 1864. He and the remainder of the Battalion transferred to the 5th Pennsylvania Cavalry (65th Regiment) on 8 May 1865. He mustered out on 7 August 1865.

He entered Regular Army service, commissioned 2nd, then First Lieutenant, 11th US Infantry on 23 February 1866. He transferred to the 29th US Infantry on 21 September of that year. He transferred again, to the 3rd US Artillery, on 15 December 1870. He was promoted to Captain on 15 March 1881, and Major on 10 February 1898. He was at Vancouver Barracks, Clark County, Washington in the US Census of 1900. He retired from active service on 15 December 1900.

Basic information and presence at Antietam from Rawle1, with some details from Bates2 and Heitman3. He married Rose Gill Hayden (b. 1848) in 1881 and they had 3 children - Frank W., Rose G., and Mary G. Hess. He's listed in the Army Register for 1908 as Lieutenant Colonel, so he may have been given that rank at retirement.

12/1836 in PA

11/15/1907; St. Petersburg, FL; burial in Greenwood Cemetery, St. Petersburg, FL