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 | Pennsylvania | 145th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, John | Pennsylvania | 214th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, John | Union Regular Army | Hospital Steward (Regular Army) | |
| O'Brien, John | Other Volunteers | Gun Boat "Judge Torrence" | Gunboat |
| O'Brien, John | New York | 89th Regiment, New York Infantry | Infantry |
| O'Brien, John | New York | 99th Regiment, New York Infantry | Infantry |
| O'Brien, John | Massachusetts | 2nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, John | Massachusetts | 9th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, John | Massachusetts | 11th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, John | Massachusetts | 19th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, John | Massachusetts | 22nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, John | Massachusetts | 62nd Regiment, Massachusetts Infantry | Infantry |
| O'Brien, John | Illinois | 31st Regiment, Illinois Infantry | Infantry |
| O'Brien, John | Illinois | 108th Regiment, Illinois Infantry | Infantry |
| O'Brien, John | Ohio | 8th Regiment, Ohio Infantry | Infantry |
| O'Brien, John | Ohio | 12th Regiment, Ohio Infantry | Infantry |
| O'Brien, John | Minnesota | 2nd Independent Battery, Minnesota Light Artillery | Artillery |
| O'Brien, John | Minnesota | Hatch's Independent Battalion, Minnesota Cavalry | Cavalry |
| O'Brien, John | Minnesota | 10th Regiment, Minnesota Infantry | Infantry |
| O'Brien, John | Missouri | 1st Regiment, Missouri Light Artillery | Artillery |
| O'Brien, John | Missouri | 3rd Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 6th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 8th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 18th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 19th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 24th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 27th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 29th Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Missouri | 41st Regiment, Missouri Infantry | Infantry |
| O'Brien, John | Tennessee | 1st Battalion, Tennessee Light Artillery | Artillery |
| O'Brien, John | Tennessee | 10th Regiment, Tennessee Infantry | Infantry |
| O'Brien, John | Connecticut | 2nd Regiment, Connecticut Heavy Artillery | Artillery |
| O'Brien, John | Connecticut | 2nd Independent Battery, Connecticut Light Artillery | Artillery |
| O'Brien, John | Connecticut | 6th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 11th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 13th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 14th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 15th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 21st Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 24th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Connecticut | 27th Regiment, Connecticut Infantry | Infantry |
| O'Brien, John | Texas | 1st Regiment, Texas Cavalry | Cavalry |
| O'Brien, John | Veteran Reserve | Independent Company, Veteran Reserve Corps | |
| O'Brien, John | Veteran Reserve | 1st Regiment, Veteran Reserve Corps | |
| O'Brien, John | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Brien, John | New Hampshire | 1st Regiment, New Hampshire Cavalry | Cavalry |
| O'Brien, John | Veteran Reserve | 3rd Regiment, Veteran Reserve Corps | |
| O'Brien, John | Veteran Reserve | 10th Regiment, Veteran Reserve Corps | |
| O'Brien, John | Veteran Reserve | 12th Regiment, Veteran Reserve Corps | |
| O'Brien, John | Veteran Reserve | 20th Regiment, Veteran Reserve Corps |
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.