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, James | Vermont | 8th Regiment, Vermont Infantry | Infantry |
| O'Brien, James | Union Regular Army | US Army (Regular Army) | |
| O'Brien, James | Maryland | 1st Regiment, Maryland Infantry | Infantry |
| O'Brien, James | Wisconsin | 17th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, James | Maine | 12th Regiment, Maine Infantry | Infantry |
| O'Brien, James | Maine | 15th Regiment, Maine Infantry | Infantry |
| O'Brien, James | Maine | 31st Regiment, Maine Infantry | Infantry |
| O'Brien, James | Pennsylvania | 99th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 100th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 116th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 118th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 198th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Union Regular Army | General Service (Regular Army) | |
| O'Brien, James | New York | 162nd Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | Unidentified New York | |
| O'Brien, James | New York | 36th Regiment, New York Infantry | Infantry |
| O'Brien, James | New Jersey | Volunteer Recruits, Hoboken, New Jersey | |
| O'Brien, James | Massachusetts | 2nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 4th Regiment, Massachusetts Cavalry | Cavalry |
| O'Brien, James | Other Volunteers | Signal Corps, US Volunteers | |
| O'Brien, James | Illinois | 11th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, James | Illinois | 20th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 28th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 53rd Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Other Volunteers | Unassigned US Volunteer Infantry | Infantry |
| O'Brien, James | Ohio | 83rd Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Kansas | 1st Regiment, Kansas Infantry | Infantry |
| O'Brien, James | Minnesota | Hatch's Independent Battalion, Minnesota Cavalry | Cavalry |
| O'Brien, James | Minnesota | 5th Regiment, Minnesota Infantry | Infantry |
| O'Brien, James | Minnesota | 10th Regiment, Minnesota Infantry | Infantry |
| O'Brien, James | Missouri | 6th Regiment, Missouri Infantry | Infantry |
| O'Brien, James | Missouri | 7th Regiment, Missouri Infantry | Infantry |
| O'Brien, James | Missouri | 8th Regiment, Missouri Infantry | Infantry |
| O'Brien, James | Missouri | 10th Regiment, Missouri Cavalry | Cavalry |
| O'Brien, James | Missouri | 18th Regiment, Missouri Infantry | Infantry |
| O'Brien, James | Missouri | 41st Regiment, Missouri Infantry | Infantry |
| O'Brien, James | Iowa | 7th Regiment, Iowa Cavalry | Cavalry |
| O'Brien, James | Iowa | 8th Regiment, Iowa Infantry | Infantry |
| O'Brien, James | Connecticut | 1st Regiment, Connecticut Heavy Artillery | Artillery |
| O'Brien, James | Connecticut | 2nd Regiment, Connecticut Heavy Artillery | Artillery |
| O'Brien, James | Connecticut | 9th Regiment, Connecticut Infantry | Infantry |
| O'Brien, James | Connecticut | 11th Regiment, Connecticut Infantry | Infantry |
| O'Brien, James | Connecticut | 14th Regiment, Connecticut Infantry | Infantry |
| O'Brien, James | Connecticut | 24th Regiment, Connecticut Infantry | Infantry |
| O'Brien, James | Connecticut | 28th Regiment, Connecticut Infantry | Infantry |
| O'Brien, James | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Brien, James | Veteran Reserve | 9th Regiment, Veteran Reserve Corps | |
| O'Brien, James | Veteran Reserve | 11th Regiment, Veteran Reserve Corps | |
| O'Brien, James | Veteran Reserve | 16th Regiment, Veteran Reserve Corps | |
| O'Brien, James | New Hampshire | 1st Regiment, New Hampshire Cavalry | Cavalry |
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.