(1838 - 1883)
Home State: Maryland
Branch of Service: Cavalry
Unit: 12th Virginia Cavalry
Before Sharpsburg
He had been a homesteader in Wisconsin and Nebraska, but returned to his native Baltimore and joined the Baltimore Horse Guards (militia) by 1861. He was arrested (April 1861?) and imprisoned in Ft. McHenry in May 1861. He was released and travelled south in August 1861, and joined Colonel Turner Ashby's 7th Virginia Cavalry. He was a scout for General Jackson in the Spring of 1862 and was commissioned Captain, Company F, 12th Virginia Cavalry in March 1862.
On the Campaign
He crossed the Potomac with his Regiment on the Maryland Campaign. He was on the way to visit a family friend when he was captured about 7 miles outside Baltimore on 12 September 1862.
The rest of the War
He was again held at Ft. McHenry, then at Ft. Norfolk, VA. He was exchanged at Fortress Monroe, VA on 13 February, transferred to City Point (about the 16th) and then went to Richmond. He returned to his Regiment, then in the Valley of Virginia in March. He was in action at Brandy Station and promoted to Major on 27 May 1863. He was in command of the First and 2nd Maryland Cavalry for the Gettysburg Campaign, then raised an independent battalion of cavalry - partisan rangers - was their Colonel, and operated in the Valley and western Virginia. He was on raids around Baltimore and Washington in 1864 and 1865. He was captured in Hardy County, (West) VA on 4 February 1865, and held at Ft. Warren, Boston Harbor to 24 July.
After the War
He lived in New Orleans, and married there, but returned to Baltimore. He was a Colonel in the Maryland National Guard, and Baltimore City Police Commissioner (1874-79). He died relatively young at age 45.
References & notes
Basic information from Gilmor's own Four Years in the Saddle (1866). His gravesite is on Findagrave. His picture here from a photograph at the US National Archives.
Birth
01/24/1838; Baltimore County, MD
Death
03/04/1883; Baltimore, MD; burial in Loudon Park Cemetery, Baltimore, MD