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 | 62nd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 67th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 69th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 93rd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 97th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 156th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | Pennsylvania | 188th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, Patrick | New York | 111th Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 132nd Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 155th Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 159th Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 15th Regiment, New York Cavalry | Cavalry |
| O'Brien, Patrick | New York | 18th Regiment, New York Cavalry | Cavalry |
| O'Brien, Patrick | New York | 193rd Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 1st Regiment, New York Mounted Rifles | |
| O'Brien, Patrick | New York | 22nd Regiment, New York Cavalry | Cavalry |
| O'Brien, Patrick | Kentucky | 11th Regiment, Kentucky Cavalry | Cavalry |
| O'Brien, Patrick | New York | 48th Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 61st Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 69th Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 87th Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | New York | 91st Regiment, New York Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 1st Regiment, Massachusetts Cavalry | Cavalry |
| O'Brien, Patrick | Massachusetts | 1st Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, Patrick | Massachusetts | 2nd Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, Patrick | Massachusetts | 2nd Regiment, Massachusetts Cavalry | Cavalry |
| O'Brien, Patrick | Massachusetts | 3rd Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brien, Patrick | Massachusetts | 4th Regiment, Massachusetts Cavalry | Cavalry |
| O'Brien, Patrick | Massachusetts | 9th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 10th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 11th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 17th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 18th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 19th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 20th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 24th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 26th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 28th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 34th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 37th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 38th Regiment, Massachusetts Infantry | Infantry |
| O'Brien, Patrick | Massachusetts | 48th Regiment, Massachusetts Infantry (Militia) | Infantry |
| O'Brien, Patrick | Illinois | 6th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, Patrick | Illinois | 10th Regiment, Illinois Cavalry | Cavalry |
| O'Brien, Patrick | Illinois | 23rd Regiment, Illinois Infantry | Infantry |
| O'Brien, Patrick | Illinois | 37th Regiment, Illinois Infantry | Infantry |
| O'Brien, Patrick | Illinois | 38th Regiment, Illinois Infantry | Infantry |
| O'Brien, Patrick | Illinois | 39th Regiment, Illinois Infantry | Infantry |
| O'Brien, Patrick | Illinois | 44th Regiment, Illinois Infantry | Infantry |
| O'Brien, Patrick | Illinois | 47th Regiment, Illinois 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.