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, John | Veteran Reserve | 23rd Regiment, Veteran Reserve Corps | |
| O'Brien, John | Veteran Reserve | 24th Regiment, Veteran Reserve Corps | |
| O'Brien, John | Vermont | 1st Regiment, Vermont Heavy Artillery | Artillery |
| O'Brien, John | Vermont | 2nd Battery, Vermont Light Artillery | Artillery |
| O'Brien, John | Vermont | 3rd Regiment, Vermont Infantry | Infantry |
| O'Brien, John | Vermont | 4th Regiment, Vermont Infantry | Infantry |
| O'Brien, John | Vermont | 6th Regiment, Vermont Infantry | Infantry |
| O'Brien, John | Vermont | 17th Regiment, Vermont Infantry | Infantry |
| O'Brien, John | Maryland | 3rd Regiment, Maryland Cavalry | Cavalry |
| O'Brien, John | Indiana | 101st Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Louisiana | 1st Regiment, Louisiana Cavalry | Cavalry |
| O'Brien, John | Louisiana | 2nd Regiment, Louisiana Infantry | Infantry |
| O'Brien, John | Indiana | 13th Regiment, Indiana Cavalry | Cavalry |
| O'Brien, John | Indiana | 140th Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Wisconsin | 1st Regiment, Wisconsin Infantry | Infantry |
| O'Brien, John | Wisconsin | 2nd Regiment, Wisconsin Cavalry | Cavalry |
| O'Brien, John | Wisconsin | 8th Independent Battery, Wisconsin Light Artillery | Artillery |
| O'Brien, John | Wisconsin | 46th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, John | Wisconsin | 47th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, John | Indiana | 14th Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Indiana | 150th Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Michigan | 1st Regiment, Michigan Sharpshooters | Sharpshooters |
| O'Brien, John | Michigan | 2nd Regiment, Michigan Infantry | Infantry |
| O'Brien, John | Michigan | 10th Regiment, Michigan Infantry | Infantry |
| O'Brien, John | Michigan | 14th Regiment, Michigan Infantry | Infantry |
| O'Brien, John | Michigan | 15th Regiment, Michigan Infantry | Infantry |
| O'Brien, John | Michigan | 16th Regiment, Michigan Infantry | Infantry |
| O'Brien, John | Michigan | 29th Regiment, Michigan Infantry | Infantry |
| O'Brien, John | Maine | 2nd Regiment, Maine Infantry | Infantry |
| O'Brien, John | Maine | 14th Regiment, Maine Infantry | Infantry |
| O'Brien, John | Maine | 9th Unassigned Company, Maine Infantry | Infantry |
| O'Brien, John | Indiana | 25th Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Indiana | 33rd Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Indiana | 35th Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Virginia | 16th Regiment, Virginia Infantry | Infantry |
| O'Brien, John | Delaware | 1st Regiment, Delaware Infantry | Infantry |
| O'Brien, John | Indiana | 75th Regiment, Indiana Infantry | Infantry |
| O'Brien, John | Union Regular Army | General Mounted Service (Regular Army) | |
| O'Brien, John | Union Regular Army | 1st Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, John | Arkansas | 1st Regiment, Arkansas Cavalry | Cavalry |
| O'Brien, John | Union Regular Army | 16th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, John | Pennsylvania | 1st Regiment, Pennsylvania Provisional Cavalry | Cavalry |
| O'Brien, John | Pennsylvania | 3rd Regiment, Pennsylvania Heavy Artillery | Artillery |
| O'Brien, John | Pennsylvania | 6th Regiment, Pennsylvania Cavalry (70th Volunteers) | Cavalry |
| O'Brien, John | Pennsylvania | 15th Regiment, Pennsylvania Cavalry (160th Volunteers) | Cavalry |
| O'Brien, John | Pennsylvania | 20th Regiment, Pennsylvania Cavalry | Cavalry |
| O'Brien, John | Pennsylvania | 23rd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, John | Pennsylvania | 28th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, John | Pennsylvania | 50th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, John | Pennsylvania | 66th 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.