Ord, Edward Otho Cresap was born on October 18, 1818 in Cumberland, Maryland, United States. Son of James Ord.
Graduated from the United States Military Academy, 1839.
Commissioned First lieutenant United States Army, circa 1840, served in Seminole War. Sent in ship Lexington from New York, around Cape Horn to California, 1847. Captain, 1850; served in expedition suppressing John Brown’s raid at Harper’s Ferry, 1859.
Promoted brigadier general United States Volunteers, 1861, commanded brigade defending Washington, District of Columbia, 1861-1862. Leader attack against Confederate Army under General J.E.B. Stuart, Dranesville, Virginia, 1861. Brevetted lieutenant colonel United States Army.
Major general United States Volunteers, 1862. Commanded left wing Army of Tennessee, August-September, 1862, brevetted colonel United States Army, 1862. Commanded 13th Corps, Army of Tennessee in Vicksburg campaign, June-October 1863.
Served in capture of Jackson, Mississippi, 1863. Served with General George Crook, 1864, directed campaign against Staunton, Virginia. In command 8th Army Corps, 1864, later of 18th Army Corps, in operations before Richmond.
Assumed command Army of the James and Department North Carolina, 1865. Brevetted major general United States Army, 1865. Major general on retired list, 1881.
Married Mary Mercer Thompson, October 14, 1854, 3 children.