Gilmor, Harry was born on January 24, 1838 in Baltimore. Son of Robert and Ellen (Ward) Gilmor.
Tutored at home.
Engaged in farming in Wisconsin and Nebraska, later with father in Maryland., circa 1848-1861, joined Confederate Army under Ashby in Virginia, 1861. Commissioned captain 21st Virginia Cavalry, 1862. Served in Shenandoah Valley throughout war, captured and exchanged, 1862.
Commissioned major 2d Maryland. Cavalry, 1863; cut B. & O. R.R. during raid near Harper’s Ferry, 1864, acquitted by Confederate court martial for robberies which occurred at that time. Burned Chambersburg, Pennsylvania, 1864.
Leader of many raids, highly successful at guerilla style warfare. Captured again, 1865. In business in Baltimore, 1865-1874.