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 | New York | 5th Regiment, New York Heavy Artillery | Artillery |
| O'Brien, James | New York | 64th Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | 69th Regiment, New York State Militia | |
| O'Brien, James | New York | 71st Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | 80th Regiment, New York Infantry | Infantry |
| O'Brien, James | Massachusetts | 1st Regiment, Massachusetts Cavalry | Cavalry |
| O'Brien, James | Massachusetts | 1st Battalion, Massachusetts Heavy Artillery | Artillery |
| O'Brien, James | Massachusetts | 2nd Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, James | Massachusetts | 2nd Regiment, Massachusetts Cavalry | Cavalry |
| O'Brien, James | Massachusetts | 7th Independent Battery, Massachusetts Light Artillery | Artillery |
| O'Brien, James | Massachusetts | 7th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 9th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 12th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 13th Independent Battery, Massachusetts Light Artillery | Artillery |
| O'Brien, James | Massachusetts | 13th Unattached Company, Massachusetts Infantry (Militia) | Infantry |
| O'Brien, James | Massachusetts | 19th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 23rd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 26th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 28th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 32nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 38th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Massachusetts | 61st Regiment, Massachusetts Infantry | Infantry |
| O'Brien, James | Illinois | Vaughn's Independent Battery, Illinois Light Artillery | Artillery |
| O'Brien, James | Illinois | 2nd Regiment, Illinois Light Artillery | Artillery |
| O'Brien, James | Illinois | 5th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, James | Illinois | 10th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, James | Illinois | 14th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, James | Illinois | 15th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, James | Illinois | 16th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, James | Illinois | 17th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 18th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 37th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 38th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 47th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 58th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 69th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 95th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Illinois | 118th Regiment, Illinois Infantry | Infantry |
| O'Brien, James | Other Volunteers | 1st Company of Pontoniers, US Volunteers | |
| O'Brien, James | Ohio | 1st Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Ohio | 10th Regiment, Ohio Cavalry | Cavalry |
| O'Brien, James | Ohio | 23rd Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Ohio | 39th Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Ohio | 41st Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Ohio | 47th Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Ohio | 67th Regiment, Ohio Infantry | Infantry |
| O'Brien, James | Illinois | 7th Regiment, Illinois Infantry (3 months, 1861) | Infantry |
| O'Brien, James | Illinois | 142nd Regiment, Illinois Infantry (100 days, 1864) | Infantry |
| O'Brien, James | New Hampshire | 10th Regiment, New Hampshire Infantry | Infantry |
| O'Brien, James | Connecticut | 15th Regiment, Connecticut 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.