War Records: O'Brian

Found 756 Civil War soldier records for surname "O'Brian" (Union: 620, Confederacy: 136).

756 Results

Union (620) Confederacy (136)
Name State Unit Function
O'Brian, George Y. Illinois 117th Regiment, Illinois Infantry Infantry
O'Brian, Henry Pennsylvania Unassigned Pennsylvania Volunteers
O'Brian, Henry Connecticut 15th Regiment, Connecticut Infantry Infantry
O'Brian, Henry Maryland 2nd Regiment, Maryland Infantry Infantry
O'Brian, Henry Illinois 74th Regiment, Illinois Infantry Infantry
O'Brian, Henry Pennsylvania 6th Regiment, Pennsylvania Cavalry (70th Volunteers) Cavalry
O'Brian, Henry New Jersey 4th Regiment, New Jersey Infantry Infantry
O'Brian, Horace Vermont 5th Regiment, Vermont Infantry Infantry
O'Brian, Hugh Pennsylvania 96th Regiment, Pennsylvania Infantry Infantry
O'Brian, Hugh Pennsylvania 111th Regiment, Pennsylvania Infantry Infantry
O'Brian, Hugh Pennsylvania 213th Regiment, Pennsylvania Infantry Infantry
O'Brian, Isaac Kentucky 14th Regiment, Kentucky Infantry Infantry
O'Brian, Isaac Ohio 63rd Regiment, Ohio Infantry Infantry
O'Brian, J. New Hampshire 10th Regiment, New Hampshire Infantry Infantry
O'Brian, James California Unidentified California
O'Brian, James Union Regular Army US Army (Regular Army)
O'Brian, James Illinois 17th Regiment, Illinois Infantry Infantry
O'Brian, James Ohio 5th Regiment, Ohio Cavalry Cavalry
O'Brian, James Missouri 18th Regiment, Missouri Infantry Infantry
O'Brian, James Missouri 30th Regiment, Missouri Infantry Infantry
O'Brian, James Connecticut 11th Regiment, Connecticut Infantry Infantry
O'Brian, James Maryland 1st Regiment, Maryland Infantry Infantry
O'Brian, James Michigan 7th Regiment, Michigan Cavalry Cavalry
O'Brian, James Maine 1st Regiment, Maine Cavalry Cavalry
O'Brian, James Maine 31st Regiment, Maine Infantry Infantry
O'Brian, James Indiana 37th Regiment, Indiana Infantry Infantry
O'Brian, James Delaware 4th Regiment, Delaware Infantry Infantry
O'Brian, James Pennsylvania 61st Regiment, Pennsylvania Infantry Infantry
O'Brian, James Pennsylvania 71st Regiment, Pennsylvania Infantry Infantry
O'Brian, James Pennsylvania 190th Regiment, Pennsylvania Infantry Infantry
O'Brian, James Colorado Territory 1st Regiment, Colorado Cavalry Cavalry
O'Brian, James Washington Territory 1st Regiment, Washington Infantry Infantry
O'Brian, James New York 15th Regiment, New York Heavy Artillery Artillery
O'Brian, James Massachusetts 2nd Regiment, Massachusetts Cavalry Cavalry
O'Brian, James Illinois 8th Regiment, Illinois Cavalry Cavalry
O'Brian, James Illinois 11th Regiment, Illinois Cavalry Cavalry
O'Brian, James Ohio McLaughlin's Squadron, Ohio Cavalry Cavalry
O'Brian, James Veteran Reserve 11th Regiment, Veteran Reserve Corps
O'Brian, James New Hampshire 1st Regiment, New Hampshire Heavy Artillery Artillery
O'Brian, James Michigan 27th Regiment, Michigan Infantry Infantry
O'Brian, James Indiana 87th Regiment, Indiana Infantry Infantry
O'Brian, James Pennsylvania 3rd Regiment, Pennsylvania Provisional Cavalry Cavalry
O'Brian, James Pennsylvania 49th Regiment, Pennsylvania Infantry Infantry
O'Brian, James Pennsylvania 67th Regiment, Pennsylvania Infantry Infantry
O'Brian, James Pennsylvania 105th Regiment, Pennsylvania Infantry Infantry
O'Brian, James Pennsylvania 210th Regiment, Pennsylvania Infantry Infantry
O'Brian, James New Jersey 10th Regiment, New Jersey Infantry Infantry
O'Brian, James Union Regular Army 17th Regiment, US Infantry (Regular Army) Infantry
O'Brian, James Union Regular Army 2nd Regiment, US Infantry (Regular Army) Infantry
O'Brian, James New York 114th Regiment, New York Infantry Infantry

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Search for "O'Brian" on these official military record databases:

NPS Civil War Soldiers & Sailors →

The National Park Service database of Civil War soldiers and sailors. Search for "O'Brian" on the NPS site.

National Archives - Revolutionary War →

Revolutionary War military records from the National Archives, including pension and bounty land warrant files.

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