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 | 1st Regiment, Vermont Heavy Artillery | Artillery |
| O'Brien, James | Maryland | 4th Regiment, Maryland Infantry (New) | Infantry |
| O'Brien, James | Louisiana | 1st Regiment, New Orleans Infantry, Louisiana | Infantry |
| O'Brien, James | Wisconsin | 49th Regiment, Wisconsin Infantry | Infantry |
| O'Brien, James | Michigan | 1st Regiment, Michigan Light Artillery | Artillery |
| O'Brien, James | Michigan | 3rd Regiment, Michigan Cavalry | Cavalry |
| O'Brien, James | Michigan | 9th Regiment, Michigan Cavalry | Cavalry |
| O'Brien, James | Michigan | 24th Regiment, Michigan Infantry | Infantry |
| O'Brien, James | Michigan | 27th Regiment, Michigan Infantry | Infantry |
| O'Brien, James | Maine | 1st Regiment, Maine Cavalry | Cavalry |
| O'Brien, James | Maine | 14th Regiment, Maine Infantry | Infantry |
| O'Brien, James | Maine | 16th Regiment, Maine Infantry | Infantry |
| O'Brien, James | Indiana | 35th Regiment, Indiana Infantry | Infantry |
| O'Brien, James | Nebraska Territory | 1st Regiment, Nebraska Cavalry | Cavalry |
| O'Brien, James | Indiana | 87th Regiment, Indiana Infantry | Infantry |
| O'Brien, James | Union Regular Army | General Mounted Service (Regular Army) | |
| O'Brien, James | Union Regular Army | 16th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, James | Pennsylvania | 3rd Regiment, Pennsylvania Heavy Artillery | Artillery |
| O'Brien, James | Pennsylvania | 3rd Regiment, Pennsylvania Provisional Cavalry | Cavalry |
| O'Brien, James | Pennsylvania | 7th Regiment, Pennsylvania Cavalry (80th Volunteers) | Cavalry |
| O'Brien, James | Pennsylvania | 49th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 56th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 67th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 75th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 83rd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 91st Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 105th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 157th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 188th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 190th Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 192nd Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | Pennsylvania | 201st Regiment, Pennsylvania Infantry | Infantry |
| O'Brien, James | New Jersey | 10th Regiment, New Jersey Infantry | Infantry |
| O'Brien, James | Colorado Territory | 1st Regiment, Colorado Cavalry | Cavalry |
| O'Brien, James | Union Regular Army | 6th Regiment, US Cavalry (Regular Army) | Cavalry |
| O'Brien, James | Union Regular Army | 13th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, James | Washington Territory | 1st Regiment, Washington Infantry | Infantry |
| O'Brien, James | Union Regular Army | 15th Regiment, US Infantry (Regular Army) | Infantry |
| O'Brien, James | New Jersey | 1st Regiment, New Jersey Cavalry | Cavalry |
| O'Brien, James | New York | 117th Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | 124th Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | 155th Regiment, New York Infantry | Infantry |
| O'Brien, James | New Jersey | 35th Regiment, New Jersey Infantry | Infantry |
| O'Brien, James | New York | 178th Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | 18th Regiment, New York Cavalry | Cavalry |
| O'Brien, James | New York | 193rd Regiment, New York Infantry | Infantry |
| O'Brien, James | New Jersey | 4th Regiment, New Jersey Infantry | Infantry |
| O'Brien, James | New York | 43rd Regiment, New York Infantry | Infantry |
| O'Brien, James | New York | 52nd Regiment, New York Infantry | Infantry |
| O'Brien, James | New Jersey | 8th Regiment, New Jersey 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.