War Records: O'Sullivan
Found 287 Civil War soldier records for surname "O'Sullivan" (Union: 238, Confederacy: 49).
287 Results
| Name | State | Unit | Function |
|---|---|---|---|
| O'Sullivan, Jerry | Maine | 14th Regiment, Maine Infantry | Infantry |
| O'Sullivan, John | New York | 16th Regiment, New York Heavy Artillery | Artillery |
| O'Sullivan, John | Union Regular Army | US Army (Regular Army) | |
| O'Sullivan, John | Union Regular Army | Ordnance Department (Regular Army) | |
| O'Sullivan, John | Massachusetts | 3rd Regiment, Massachusetts Cavalry | Cavalry |
| O'Sullivan, John | Massachusetts | 10th Regiment, Massachusetts Infantry | Infantry |
| O'Sullivan, John | Massachusetts | 25th Regiment, Massachusetts Infantry | Infantry |
| O'Sullivan, John | Massachusetts | 27th Regiment, Massachusetts Infantry | Infantry |
| O'Sullivan, John | Connecticut | 6th Regiment, Connecticut Infantry | Infantry |
| O'Sullivan, John | New York | 95th Regiment, New York Infantry | Infantry |
| O'Sullivan, John | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Sullivan, John | Kentucky | 4th Regiment, Kentucky Cavalry | Cavalry |
| O'Sullivan, John | Pennsylvania | 55th Regiment, Pennsylvania Infantry | Infantry |
| O'Sullivan, John | Other Volunteers | 2nd Regiment, US Veteran Volunteer Infantry | Infantry |
| O'Sullivan, John | Union Regular Army | 8th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, John | New York | 170th Regiment, New York Infantry | Infantry |
| O'Sullivan, John | New York | 140th Regiment, New York Infantry | Infantry |
| O'Sullivan, John | New York | 69th Regiment, New York Infantry | Infantry |
| O'Sullivan, John | New York | 69th Regiment, New York State Militia | |
| O'Sullivan, John | New York | 70th Regiment, New York Infantry | Infantry |
| O'Sullivan, John | New York | 73rd Regiment, New York Infantry | Infantry |
| O'Sullivan, John | New York | 4th Regiment, New York Heavy Artillery | Artillery |
| O'Sullivan, John | New Hampshire | 8th Regiment, New Hampshire Infantry | Infantry |
| O'Sullivan, John | Maine | 14th Regiment, Maine Infantry | Infantry |
| O'Sullivan, John | Michigan | 4th Regiment, Michigan Cavalry | Cavalry |
| O'Sullivan, John | Union Regular Army | 3rd Regiment, US Cavalry (Regular Army) | Cavalry |
| O'Sullivan, John | Union Regular Army | 12th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, John | Union Regular Army | 14th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, John | Massachusetts | 13th Independent Battery, Massachusetts Light Artillery | Artillery |
| O'Sullivan, John | New York | 59th Regiment, New York Infantry | Infantry |
| O'Sullivan, John | New York | 4th Regiment, New York Heavy Artillery (National Guard) (30 days, 1863) | Artillery |
| O'Sullivan, John B. | Union Regular Army | 10th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, John D. | Illinois | 14th Regiment, Illinois Cavalry | Cavalry |
| O'Sullivan, John Mc. | Maryland | 13th Regiment, Maryland Infantry | Infantry |
| O'Sullivan, John P. | New Hampshire | 4th Regiment, New Hampshire Infantry | Infantry |
| O'Sullivan, Kerrons | Missouri | 24th Regiment, Missouri Infantry | Infantry |
| O'Sullivan, Lawrence | Veteran Reserve | 10th Regiment, Veteran Reserve Corps | |
| O'Sullivan, Lawrence | New York | 69th Regiment, New York State Militia | |
| O'Sullivan, Lorin T. | Union Regular Army | 1st Regiment, US Artillery (Regular Army) | Artillery |
| O'Sullivan, Lurence | New York | 63rd Regiment, New York Infantry | Infantry |
| O'Sullivan, Lycurqus | New York | 42nd Regiment, New York Infantry | Infantry |
| O'Sullivan, M. P. | Ohio | 10th Regiment, Ohio Infantry | Infantry |
| O'Sullivan, Martin | New York | 170th Regiment, New York Infantry | Infantry |
| O'Sullivan, Matthew | Pennsylvania | 24th Regiment, Pennsylvania Infantry (3 months, 1861) | Infantry |
| O'Sullivan, Maurice P. | Ohio | 10th Regiment, Ohio Infantry | Infantry |
| O'Sullivan, Michael | Union Regular Army | US Army (Regular Army) | |
| O'Sullivan, Michael | Massachusetts | 45th Regiment, Massachusetts Infantry (Militia) | Infantry |
| O'Sullivan, Michael | Ohio | 5th Regiment, Ohio Cavalry | Cavalry |
| O'Sullivan, Michael | Iowa | 1st Regiment, Iowa Cavalry | Cavalry |
| O'Sullivan, Michael | Iowa | 2nd Regiment, Iowa Cavalry | Cavalry |
Search External Archives
Search for "O'Sullivan" 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'Sullivan" 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.