TheNameDBWar Records: O'Brian
Found 756 Civil War soldier records for surname "O'Brian" (Union: 620, Confederacy: 136).
756 Results
| Name | State | Unit | Function |
|---|---|---|---|
| O'Brian, John | Massachusetts | 26th Regiment, Massachusetts Infantry | Infantry |
| O'Brian, John | Massachusetts | 37th Regiment, Massachusetts Infantry | Infantry |
| O'Brian, John | Illinois | 13th Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 22nd Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 23rd Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 31st Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 58th Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 85th Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 90th Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 104th Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Illinois | 113th Regiment, Illinois Infantry | Infantry |
| O'Brian, John | Ohio | 4th Battalion, Ohio Infantry | Infantry |
| O'Brian, John | Ohio | 6th Regiment, Ohio Cavalry | Cavalry |
| O'Brian, John | Ohio | 43rd Regiment, Ohio Infantry | Infantry |
| O'Brian, John | Ohio | 52nd Regiment, Ohio Infantry | Infantry |
| O'Brian, John | Ohio | 81st Regiment, Ohio Infantry | Infantry |
| O'Brian, John | Ohio | 123rd Regiment, Ohio Infantry | Infantry |
| O'Brian, John | Missouri | 9th Regiment, Missouri State Militia Cavalry | Cavalry |
| O'Brian, John | New Hampshire | 14th Regiment, New Hampshire Infantry | Infantry |
| O'Brian, John | New Hampshire | 4th Regiment, New Hampshire Infantry | Infantry |
| O'Brian, John | New Hampshire | 7th Regiment, New Hampshire Infantry | Infantry |
| O'Brian, John | Pennsylvania | 4th Regiment, Pennsylvania Cavalry (64th Volunteers) | Cavalry |
| O'Brian, John | Pennsylvania | 13th Regiment, Pennsylvania Cavalry (117th Volunteers) | Cavalry |
| O'Brian, John | New Jersey | 21st Regiment, New Jersey Infantry | Infantry |
| O'Brian, John | New Jersey | 6th Regiment, New Jersey Infantry | Infantry |
| O'Brian, John | Illinois | 151st Regiment, Illinois Infantry (1 year, 1865) | Infantry |
| O'Brian, John | District Of Columbia | 2nd Regiment, District of Columbia Infantry | Infantry |
| O'Brian, John | New York | 99th Regiment, New York Infantry National Guard (100 days, 1864) | Infantry |
| O'Brian, John | Pennsylvania | 13th Regiment, Pennsylvania Reserve Infantry (42nd Volunteers/1st Pennsylvania Rifles) | Infantry |
| O'Brian, John A. | Kentucky | 27th Regiment, Kentucky Infantry | Infantry |
| O'Brian, John B. | Other Volunteers | 2nd Regiment, US Volunteer Infantry | Infantry |
| O'Brian, John C. | United States Colored Troops | 32nd Regiment, United States Colored Infantry | Infantry |
| O'Brian, John C. | Indiana | 24th Regiment, Indiana Infantry | Infantry |
| O'Brian, John D. | New York | 24th Regiment, New York Infantry | Infantry |
| O'Brian, John F. | Connecticut | 14th Regiment, Connecticut Infantry | Infantry |
| O'Brian, John J. | Connecticut | 5th Regiment, Connecticut Infantry | Infantry |
| O'Brian, John M. | United States Colored Troops | 86th Regiment, United States Colored Infantry | Infantry |
| O'Brian, John S. | Illinois | 90th Regiment, Illinois Infantry | Infantry |
| O'Brian, John S. | Indiana | 8th Regiment, Indiana Infantry | Infantry |
| O'Brian, John S. | Indiana | 8th Regiment, Indiana Infantry (3 months, 1861) | Infantry |
| O'Brian, John S. | Pennsylvania | 14th Regiment, Pennsylvania Infantry (3 months, 1861) | Infantry |
| O'Brian, John T. | Kansas | 1st Regiment, Kansas Infantry | Infantry |
| O'Brian, Joseph | New York | 3rd Independent Battery, New York Light Artillery | Artillery |
| O'Brian, Joseph | Pennsylvania | 68th Regiment, Pennsylvania Infantry | Infantry |
| O'Brian, Joseph | Massachusetts | 2nd Regiment, Massachusetts Heavy Artillery | Artillery |
| O'Brian, Joseph | Other Volunteers | 1st Regiment, US Veteran Volunteer Infantry | Infantry |
| O'Brian, Josephus | West Virginia | 7th Regiment, West Virginia Cavalry | Cavalry |
| O'Brian, Larry | District Of Columbia | 2nd Regiment, District of Columbia Infantry | Infantry |
| O'Brian, Lewis | Illinois | 51st Regiment, Illinois Infantry | Infantry |
| O'Brian, Manus | Other Volunteers | 8th Regiment, US Veteran Volunteer Infantry | Infantry |
Search External Archives
Search for "O'Brian" 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'Brian" 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.