Civil War Union Major General. Class of West Point 1838 (23 out of 45) Artillery Officer. Was Gen. Wools A.D.C. during Mexican war and was Brevet Captain for bravery. Later served on the Western Frontier until 1856 when he was sent to the Army HQ in Washington with rank of Major. Named Brig. Gen USA May 14th 1861 Give command of the Union troops south of the Potomac. Was defeated at the battle of 1st Bull Run he was appointed Commander of McDowell's Division. Named Maj. Gen. USV and commanded the 1st Corps Army of the Potomic Mar.4-Apr. 62 Then Commanded Army of the Rappahannock Apr-June 1862. At Cedar Mnt. & 2nd Bull Run He commander the III Corps Army of Va. and was severely criticized for his performance there and relieved of command. He was exonerated by Military Court Marshal but was sent back to Washington and served on the promotion board, Until 1864 when he was given command of the Dept. of the Pacific until June 1865. After the War he was given command of Dept's East & South until he retired in 1882. He moved to California and was made Park Commissioner by the City of San Francisco until his death at age 67 of a heart attack. He was buried with full military honors by the Local GAR. His name is misspelled "Irwin" on his headstone.

Civil War Union Major General. Class of West Point 1838 (23 out of 45) Artillery Officer. Was Gen. Wools A.D.C. during Mexican war and was Brevet Captain for bravery. Later served on the Western Frontier until 1856 when he was sent to the Army HQ in Washington with rank of Major. Named Brig. Gen USA May 14th 1861 Give command of the Union troops south of the Potomac. Was defeated at the battle of 1st Bull Run he was appointed Commander of McDowell's Division. Named Maj. Gen. USV and commanded the 1st Corps Army of the Potomic Mar.4-Apr. 62 Then Commanded Army of the Rappahannock Apr-June 1862. At Cedar Mnt. & 2nd Bull Run He commander the III Corps Army of Va. and was severely criticized for his performance there and relieved of command. He was exonerated by Military Court Marshal but was sent back to Washington and served on the promotion board, Until 1864 when he was given command of the Dept. of the Pacific until June 1865. After the War he was given command of Dept's East & South until he retired in 1882. He moved to California and was made Park Commissioner by the City of San Francisco until his death at age 67 of a heart attack. He was buried with full military honors by the Local GAR. His name is misspelled "Irwin" on his headstone.