TheNameDBWar Records: O'Brien
Found 1,738 Civil War soldier records for surname "O'Brien" (Union: 1389, Confederacy: 349).
1,738 Results
| Name | State | Unit | Function |
|---|---|---|---|
| O'Brien, Robert | Wisconsin | 18th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Robert | Massachusetts | 15th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Robert | Connecticut | 5th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Robert | Connecticut | 9th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Robert | Wisconsin | 44th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Robert | Indiana | 91st Regiment, Indiana Infantry | Infantry |
| O'Brien, Robert | Union Regular Army | 12th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, Robert | Pennsylvania | 68th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Robert | Massachusetts | 16th Independent Battery, Massachusetts Light Artillery | Artillery |
| O'Brien, Robert | Massachusetts | 20th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Robert | Massachusetts | 37th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Robert | Illinois | 58th Regiment, Illinois Infantry | Infantry |
| O'Brien, Robert E.L. | Illinois | 62nd Regiment, Illinois Infantry | Infantry |
| O'Brien, Robert E.L. | Missouri | 3rd Regiment, Missouri Cavalry | Cavalry |
| O'Brien, Samuel | Minnesota | 6th Regiment, Minnesota Infantry | Infantry |
| O'Brien, Samuel | New York | 64th Regiment, New York Infantry | Infantry |
| O'Brien, Samuel | Massachusetts | 32nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Simon | Illinois | 23rd Regiment, Illinois Infantry | Infantry |
| O'Brien, Simon | Connecticut | 20th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Stephen | Pennsylvania | 91st Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Stephen | Indiana | 151st Regiment, Indiana Infantry | Infantry |
| O'Brien, Stephen | New York | 173rd Regiment, New York Infantry | Infantry |
| O'Brien, Stephen | New York | 51st Regiment, New York Infantry | Infantry |
| O'Brien, Stephen | Massachusetts | 4th Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, Sylvester | Indiana | 52nd Regiment, Indiana Infantry | Infantry |
| O'Brien, T. | New York | 121st Regiment, New York Infantry | Infantry |
| O'Brien, T. J. | New York | 7th Regiment, New York State Militia (30 days, 1861) | |
| O'Brien, Tennant | Kansas | 1st Regiment, Kansas Infantry | Infantry |
| O'Brien, Terance | Pennsylvania | 97th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Terence | New York | 25th Regiment, New York Infantry | Infantry |
| O'Brien, Terence | New York | 31st Regiment, New York Infantry | Infantry |
| O'Brien, Terrance | Wisconsin | 16th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Terrance | Illinois | 14th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, Terrance | Connecticut | 10th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Terrence | Union Regular Army | US Army (Regular Army) | |
| O'Brien, Terrence | Pennsylvania | 214th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Terrence | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Brien, Terrence | Wisconsin | 17th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Terrence | Pennsylvania | 215th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Terrence | New Hampshire | 13th Regiment, New Hampshire Infantry | Infantry |
| O'Brien, Therance | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Brien, Thomas | Iowa | 8th Regiment, Iowa Infantry | Infantry |
| O'Brien, Thomas | Illinois | Unassigned Illinois Volunteers | |
| O'Brien, Thomas | Delaware | 1st Regiment, Delaware Infantry | Infantry |
| O'Brien, Thomas | Missouri | 26th Regiment, Missouri Infantry | Infantry |
| O'Brien, Thomas | Connecticut | 1st Regiment, Connecticut Cavalry | Cavalry |
| O'Brien, Thomas | Connecticut | 28th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Thomas | Veteran Reserve | Unassigned Veteran Reserve Corps | |
| O'Brien, Thomas | Indiana | 142nd Regiment, Indiana Infantry | Infantry |
| O'Brien, Thomas | Union Regular Army | US Army (Regular Army) |
Search External Archives
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.
FamilySearch - Civil War Records →
Free access to Civil War records including service records, pension files, and draft registration cards.
Fold3 - Military Records →
Extensive collection of military records including Civil War, Revolutionary War, and other conflicts.
Ancestry - Military Records →
Search military records on Ancestry.com including Civil War service records, draft cards, and pension files.