Civil War Union Brevet Brigadier General. Born in Albany, New York, before the Civil War he had moved to Brooklyn, New York, and was a Customs official in New York City. Active in the 14th Brooklyn Militia regiment, when hostilities began the 14th Brooklyn was activated and became the 84th New York Volunteer Infantry. Ambrose Cassidy was soon transferred to help raise and train the 93rd New York Volunteer Infantry(known as the "Morgan Rifles" after New York Governor Edwin D. Morgan) and promoted to Major. In late April 1862, Major Cassidy and his commanding officer, Colonel John S. Crocker, were captured and taken prisoner by Confederate pickets. They spent time in Libby Prison, Richmond, Virginia and Salisbury Prison in Salisbury, North Carolina Major Cassidy rejoined the regiment and served with the 93rd New York in the 1862 Seven Days Battles, Antietam and Fredericksburg (not actively engaged), Gettysburg in 1863, the Wilderness (where the regiment lost 258 casualties), Cold Harbor, Petersburg, Weldon Railroad, Hatcher's Run in 1864, and the Appomattox Campaign in 1865. On April 13, 1865, after Confederate General Robert E. Lee's surrender to Lieutenant General Ulysses S. Grant at Appomattox Court House, Major Cassidy was given a brevet promotion to Brigadier General, US Volunteers "for gallant and meritorious services during the war" (dated March 13, 1865) After the Civil War he returned to Brooklyn and became a Municipal Official in the Department of Public Works. He died in Albany in 1899.
Civil War Union Brevet Brigadier General. Born in Albany, New York, before the Civil War he had moved to Brooklyn, New York, and was a Customs official in New York City. Active in the 14th Brooklyn Militia regiment, when hostilities began the 14th Brooklyn was activated and became the 84th New York Volunteer Infantry. Ambrose Cassidy was soon transferred to help raise and train the 93rd New York Volunteer Infantry(known as the "Morgan Rifles" after New York Governor Edwin D. Morgan) and promoted to Major. In late April 1862, Major Cassidy and his commanding officer, Colonel John S. Crocker, were captured and taken prisoner by Confederate pickets. They spent time in Libby Prison, Richmond, Virginia and Salisbury Prison in Salisbury, North Carolina Major Cassidy rejoined the regiment and served with the 93rd New York in the 1862 Seven Days Battles, Antietam and Fredericksburg (not actively engaged), Gettysburg in 1863, the Wilderness (where the regiment lost 258 casualties), Cold Harbor, Petersburg, Weldon Railroad, Hatcher's Run in 1864, and the Appomattox Campaign in 1865. On April 13, 1865, after Confederate General Robert E. Lee's surrender to Lieutenant General Ulysses S. Grant at Appomattox Court House, Major Cassidy was given a brevet promotion to Brigadier General, US Volunteers "for gallant and meritorious services during the war" (dated March 13, 1865) After the Civil War he returned to Brooklyn and became a Municipal Official in the Department of Public Works. He died in Albany in 1899.
Bio by: Mark Bodnar
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