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, Patrick | Pennsylvania | 3rd Regiment, Pennsylvania Cavalry | Cavalry |
| O'Brien, Patrick | Massachusetts | 31st Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 62nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Illinois | 95th Regiment, Illinois Infantry | Infantry |
| O'Brien, Patrick | Ohio | 184th Regiment, Ohio Infantry | Infantry |
| O'Brien, Patrick | Minnesota | 10th Regiment, Minnesota Infantry | Infantry |
| O'Brien, Patrick | Missouri | 1st Regiment, Missouri Light Artillery | Artillery |
| O'Brien, Patrick | Missouri | 23rd Regiment, Missouri Infantry | Infantry |
| O'Brien, Patrick | Missouri | 27th Regiment, Missouri Infantry | Infantry |
| O'Brien, Patrick | Missouri | 30th Regiment, Missouri Infantry | Infantry |
| O'Brien, Patrick | Missouri | 32nd Regiment, Missouri Infantry (New) | Infantry |
| O'Brien, Patrick | Tennessee | 13th Regiment, Tennessee Cavalry | Cavalry |
| O'Brien, Patrick | Connecticut | 1st Regiment, Connecticut Heavy Artillery | Artillery |
| O'Brien, Patrick | Connecticut | 3rd Independent Battery, Connecticut Light Artillery | Artillery |
| O'Brien, Patrick | Other Volunteers | Unassigned US Veteran Volunteer Infantry | Infantry |
| O'Brien, Patrick | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Brien, Patrick | Veteran Reserve | 10th Regiment, Veteran Reserve Corps | |
| O'Brien, Patrick | Veteran Reserve | 12th Regiment, Veteran Reserve Corps | |
| O'Brien, Patrick | Veteran Reserve | 18th Regiment, Veteran Reserve Corps | |
| O'Brien, Patrick | Vermont | 2nd Battery, Vermont Light Artillery | Artillery |
| O'Brien, Patrick | Vermont | 2nd Regiment, Vermont Infantry | Infantry |
| O'Brien, Patrick | Vermont | 9th Regiment, Vermont Infantry | Infantry |
| O'Brien, Patrick | Vermont | 14th Regiment, Vermont Infantry | Infantry |
| O'Brien, Patrick | Union Regular Army | 10th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, Patrick | Maryland | 1st Regiment, Maryland Infantry | Infantry |
| O'Brien, Patrick | Louisiana | 1st Regiment, Louisiana Cavalry | Cavalry |
| O'Brien, Patrick | Wisconsin | 10th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 11th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 13th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 29th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 30th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 32nd Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 43rd Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 47th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Wisconsin | 48th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, Patrick | Michigan | 1st Regiment, Michigan Infantry | Infantry |
| O'Brien, Patrick | Maine | 4th Regiment, Maine Infantry | Infantry |
| O'Brien, Patrick | Delaware | 1st Regiment, Delaware Infantry | Infantry |
| O'Brien, Patrick | Indiana | 60th Regiment, Indiana Infantry | Infantry |
| O'Brien, Patrick | Indiana | 66th Regiment, Indiana Infantry | Infantry |
| O'Brien, Patrick | Other Volunteers | Marine Regiment, US Volunteers | |
| O'Brien, Patrick | Union Regular Army | 5th Regiment, US Artillery (Regular Army) | Artillery |
| O'Brien, Patrick | Union Regular Army | 11th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, Patrick | Union Regular Army | 13th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, Patrick | New Jersey | 10th Regiment, New Jersey Infantry | Infantry |
| O'Brien, Patrick | Union Regular Army | 19th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, Patrick | Union Regular Army | 6th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, Patrick | Pennsylvania | 3rd Regiment, Pennsylvania Heavy Artillery | Artillery |
| O'Brien, Patrick | Pennsylvania | 28th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 52nd Regiment, Pennsylvania 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.
Ancestry - Military Records →
Search military records on Ancestry.com including Civil War service records, draft cards, and pension files.