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, Charles | New Jersey | 10th Regiment, New Jersey Infantry | Infantry |
| O'Brien, Charles | Kentucky | 2nd Regiment, Kentucky Infantry | Infantry |
| O'Brien, Charles | New York | 50th Regiment, New York Engineers | Engineers |
| O'Brien, Charles | Massachusetts | 7th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Charles | Ohio | 42nd Regiment, Ohio Infantry | Infantry |
| O'Brien, Charles | Tennessee | 10th Regiment, Tennessee Infantry | Infantry |
| O'Brien, Charles E. | Union Regular Army | Medical Cadet (Regular Army) | |
| O'Brien, Christopher | Indiana | 72nd Regiment, Indiana Infantry | Infantry |
| O'Brien, Christopher | Missouri | 11th Regiment, Missouri Infantry | Infantry |
| O'Brien, Christopher A. | Indiana | 72nd Regiment, Indiana Infantry | Infantry |
| O'Brien, Con. | New York | 8th Regiment, New York Cavalry | Cavalry |
| O'Brien, Cornelious | Union Regular Army | General Mounted Service (Regular Army) | |
| O'Brien, Cornelius | Massachusetts | 32nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Cornelius | Connecticut | 13th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Cornelius | Vermont | 1st Regiment, Vermont Heavy Artillery | Artillery |
| O'Brien, Cornelius | Indiana | 14th Regiment, Indiana Infantry | Infantry |
| O'Brien, Cornelius | Union Regular Army | US Military Academy (West Point) | |
| O'Brien, Cornelius | Pennsylvania | 102nd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Cornelius | New York | 193rd Regiment, New York Infantry | Infantry |
| O'Brien, Cornelius | Massachusetts | 4th Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, Cornelius | Massachusetts | 12th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Cornelius | Massachusetts | 39th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Cornelius | Massachusetts | 43rd Regiment, Massachusetts Infantry (Militia) | Infantry |
| O'Brien, Cornelius | Massachusetts | 61st Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Cornelius | Illinois | 16th Regiment, Illinois Infantry | Infantry |
| O'Brien, Cornelius | Illinois | 20th Regiment, Illinois Infantry | Infantry |
| O'Brien, Cornelius | New Hampshire | 14th Regiment, New Hampshire Infantry | Infantry |
| O'Brien, Cornelius F. | Massachusetts | 62nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Daniel | Nevada | 1st Battalion, Nevada Cavalry | Cavalry |
| O'Brien, Daniel | Nevada | 1st Battalion, Nevada Infantry | Infantry |
| O'Brien, Daniel | Maine | 16th Regiment, Maine Infantry | Infantry |
| O'Brien, Daniel | Union Regular Army | US Army (Regular Army) | |
| O'Brien, Daniel | Pennsylvania | 183rd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Daniel | Minnesota | 10th Regiment, Minnesota Infantry | Infantry |
| O'Brien, Daniel | Missouri | 12th Regiment, Missouri Cavalry | Cavalry |
| O'Brien, Daniel | Iowa | 7th Regiment, Iowa Cavalry | Cavalry |
| O'Brien, Daniel | Connecticut | 5th Regiment, Connecticut Infantry | Infantry |
| O'Brien, Daniel | Veteran Reserve | 10th Regiment, Veteran Reserve Corps | |
| O'Brien, Daniel | Vermont | 1st Regiment, Vermont Infantry | Infantry |
| O'Brien, Daniel | Wisconsin | 2nd Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Daniel | Indiana | 17th Regiment, Indiana Infantry | Infantry |
| O'Brien, Daniel | Michigan | 27th Regiment, Michigan Infantry | Infantry |
| O'Brien, Daniel | Maine | 11th Regiment, Maine Infantry | Infantry |
| O'Brien, Daniel | Pennsylvania | 56th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Daniel | Pennsylvania | 110th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Daniel | Pennsylvania | 141st Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Daniel | Pennsylvania | 145th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Daniel | California | 6th Regiment, California Infantry | Infantry |
| O'Brien, Daniel | Massachusetts | 3rd Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, Daniel | Massachusetts | 12th Regiment, Massachusetts Infantry | Infantry |
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.