War Records: O'Brien

Found 1,738 Civil War soldier records for surname "O'Brien" (Union: 1389, Confederacy: 349).

1,738 Results

Union (1,389) Confederacy (349)
Name State Unit Function
Dager, John O'Brien Pennsylvania 29th Regiment, Pennsylvania Infantry Infantry
Haly, O'Brien Michigan 1st Regiment, Michigan Infantry Infantry
Kitson, Patrick O'Brien Massachusetts 28th Regiment, Massachusetts Infantry Infantry
O'Brien Jr., John New Jersey 11th Regiment, New Jersey Infantry Infantry
O'Brien, Abram Pennsylvania 2nd Regiment, Pennsylvania Heavy Artillery (112th Volunteers) Artillery
O'Brien, Abram Vermont 17th Regiment, Vermont Infantry Infantry
O'Brien, Alexander Pennsylvania 28th Regiment, Pennsylvania Infantry Infantry
O'Brien, Alexander Massachusetts 29th Regiment, Massachusetts Infantry Infantry
O'Brien, Alfred Missouri 11th Regiment, Missouri State Militia Cavalry Cavalry
O'Brien, Alonzo Massachusetts 37th Regiment, Massachusetts Infantry Infantry
O'Brien, Andrew Vermont 14th Regiment, Vermont Infantry Infantry
O'Brien, Andrew Pennsylvania 69th Regiment, Pennsylvania Infantry Infantry
O'Brien, Andrew Pennsylvania 187th Regiment, Pennsylvania Infantry Infantry
O'Brien, Andrew Illinois 130th Regiment, Illinois Infantry Infantry
O'Brien, Anthony Wisconsin 17th Regiment, Wisconsin Infantry Infantry
O'Brien, Arven New York 71st Regiment, New York Infantry Infantry
O'Brien, Bartholemus Delaware 3rd Regiment, Delaware Infantry Infantry
O'Brien, Bartholomew Veteran Reserve Unassigned Veteran Reserve Corps
O'Brien, Bartholomew Minnesota 4th Regiment, Minnesota Infantry Infantry
O'Brien, Bartholomew Veteran Reserve 9th Regiment, Veteran Reserve Corps
O'Brien, Bartholomew Massachusetts 28th Regiment, Massachusetts Infantry Infantry
O'Brien, Bartholomew Connecticut 7th Regiment, Connecticut Infantry Infantry
O'Brien, Benjamin Missouri 1st Regiment, Missouri Light Artillery Artillery
O'Brien, Bernard Illinois 15th Regiment, Illinois Infantry Infantry
O'Brien, Bernard Illinois 69th Regiment, Illinois Infantry Infantry
O'Brien, Bernard Illinois 90th Regiment, Illinois Infantry Infantry
O'Brien, C.A. Massachusetts 48th Regiment, Massachusetts Infantry (Militia) Infantry
O'Brien, Charles Pennsylvania 61st Regiment, Pennsylvania Infantry Infantry
O'Brien, Charles Other Volunteers Gun Boat "Benton" Gunboat
O'Brien, Charles Union Regular Army US Army (Regular Army)
O'Brien, Charles Pennsylvania 3rd Regiment, Pennsylvania Cavalry Cavalry
O'Brien, Charles Pennsylvania 213th Regiment, Pennsylvania Infantry Infantry
O'Brien, Charles Union Regular Army Unidentified Regular Army
O'Brien, Charles Kansas 2nd Regiment, Kansas Cavalry Cavalry
O'Brien, Charles Iowa 4th Regiment, Iowa Infantry Infantry
O'Brien, Charles Connecticut 2nd Regiment, Connecticut Heavy Artillery Artillery
O'Brien, Charles Connecticut 14th Regiment, Connecticut Infantry Infantry
O'Brien, Charles Veteran Reserve 2nd Battalion, Veteran Reserve Corps
O'Brien, Charles Veteran Reserve 10th Regiment, Veteran Reserve Corps
O'Brien, Charles Veteran Reserve 18th Regiment, Veteran Reserve Corps
O'Brien, Charles Vermont 5th Regiment, Vermont Infantry Infantry
O'Brien, Charles Vermont 9th Regiment, Vermont Infantry Infantry
O'Brien, Charles Maryland 1st Regiment, Maryland Cavalry Cavalry
O'Brien, Charles Louisiana 1st Regiment, Louisiana Cavalry Cavalry
O'Brien, Charles Wisconsin 50th Regiment, Wisconsin Infantry Infantry
O'Brien, Charles Maine 12th Regiment, Maine Infantry Infantry
O'Brien, Charles Union Regular Army General Mounted Service (Regular Army)
O'Brien, Charles Pennsylvania 72nd Regiment, Pennsylvania Infantry Infantry
O'Brien, Charles Pennsylvania 214th Regiment, Pennsylvania Infantry Infantry
O'Brien, Charles Pennsylvania 215th Regiment, Pennsylvania Infantry Infantry

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Search for "O'Brien" 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'Brien" 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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