War Records: O'Neil
Found 1,811 Civil War soldier records for surname "O'Neil" (Union: 1501, Confederacy: 310).
1,811 Results
| Name | State | Unit | Function |
|---|---|---|---|
| O'Neil, Michael | New York | 1st Regiment, New York Cavalry | Cavalry |
| O'Neil, Michael | New York | 11th Regiment, New York Cavalry | Cavalry |
| O'Neil, Michael | New York | 15th Regiment, New York Engineers | Engineers |
| O'Neil, Michael | New York | 80th Regiment, New York Infantry | Infantry |
| O'Neil, Michael | New York | 150th Regiment, New York Infantry | Infantry |
| O'Neil, Michael | New York | 3rd Regiment, New York Light Artillery | Artillery |
| O'Neil, Michael | New York | 5th Regiment, New York Cavalry | Cavalry |
| O'Neil, Michael | New York | 44th Regiment, New York Infantry | Infantry |
| O'Neil, Michael | New York | 57th Regiment, New York Infantry | Infantry |
| O'Neil, Michael | New York | 170th Regiment, New York Infantry | Infantry |
| O'Neil, Michael | Illinois | 5th Regiment, Illinois Cavalry | Cavalry |
| O'Neil, Michael | New Hampshire | 11th Regiment, New Hampshire Infantry | Infantry |
| O'Neil, Michael | Veteran Reserve | 15th Regiment, Veteran Reserve Corps | |
| O'Neil, Michael | Vermont | 1st Regiment, Vermont Cavalry | Cavalry |
| O'Neil, Michael | Vermont | 2nd Battery, Vermont Light Artillery | Artillery |
| O'Neil, Michael | New Hampshire | 8th Regiment, New Hampshire Infantry | Infantry |
| O'Neil, Michael | Maryland | 1st Regiment, Maryland Cavalry | Cavalry |
| O'Neil, Michael | Louisiana | 2nd Regiment, Louisiana Infantry | Infantry |
| O'Neil, Michael | Union Regular Army | 8th Regiment, US Infantry (Regular Army) | Infantry |
| O'Neil, Michael | Union Regular Army | 5th Regiment, US Artillery (Regular Army) | Artillery |
| O'Neil, Michael | Union Regular Army | 2nd Regiment, US Artillery (Regular Army) | Artillery |
| O'Neil, Michael | Washington Territory | 1st Regiment, Washington Infantry | Infantry |
| O'Neil, Michael | Rhode Island | 3rd Regiment, Rhode Island Heavy Artillery | Artillery |
| O'Neil, Michael | Pennsylvania | 3rd Regiment, Pennsylvania Cavalry | Cavalry |
| O'Neil, Michael | Pennsylvania | 5th Regiment, Pennsylvania Cavalry (65th Volunteers) | Cavalry |
| O'Neil, Michael | Pennsylvania | 139th Regiment, Pennsylvania Infantry | Infantry |
| O'Neil, Michael | Union Regular Army | 1st Regiment, US Dragoons (Regular Army) | Cavalry |
| O'Neil, Michael | Union Regular Army | 6th Regiment, US Infantry (Regular Army) | Infantry |
| O'Neil, Michael | New Jersey | 21st Regiment, New Jersey Infantry | Infantry |
| O'Neil, Michael | Pennsylvania | 19th Regiment, Pennsylvania Infantry (3 months, 1861) | Infantry |
| O'Neil, Michael | New Jersey | 35th Regiment, New Jersey Infantry | Infantry |
| O'Neil, Michael | New Jersey | 39th Regiment, New Jersey Infantry | Infantry |
| O'Neil, Michael | Massachusetts | 5th Regiment, Massachusetts Infantry (9 months, 1862-63) | Infantry |
| O'Neil, Michael | New York | 15th Regiment, New York Engineers (New) | Engineers |
| O'Neil, Michael | New York | 81st Regiment, New York Infantry | Infantry |
| O'Neil, Michael | New York | 68th Regiment, New York Infantry | Infantry |
| O'Neil, Michael | Missouri | 5th Regiment, Missouri State Militia Cavalry (2nd Organization) | Cavalry |
| O'Neil, Michael | Illinois | 144th Regiment, Illinois Infantry (1 year, 1864-65) | Infantry |
| O'Neil, Michael B. | Massachusetts | 10th Independent Battery, Massachusetts Light Artillery | Artillery |
| O'Neil, Michael C. | New Jersey | 3rd Regiment, New Jersey Infantry | Infantry |
| O'Neil, Michael C. | New York | 3rd Regiment, New York Infantry | Infantry |
| O'Neil, Michael J. | Massachusetts | 8th Unattached Company, Massachusetts Infantry (Militia) | Infantry |
| O'Neil, Michael J. | Massachusetts | 61st Regiment, Massachusetts Infantry | Infantry |
| O'Neil, Michael J. | New York | 91st Regiment, New York Infantry | Infantry |
| O'Neil, Michael P. | Illinois | 95th Regiment, Illinois Infantry | Infantry |
| O'Neil, Miles | Union Regular Army | 1st Regiment, US Artillery (Regular Army) | Artillery |
| O'Neil, Morgan | New York | 61st Regiment, New York Infantry | Infantry |
| O'Neil, Nathaniel H. | New York | 2nd Regiment, New York Provisional Cavalry | Cavalry |
| O'Neil, Nathaniel H. | New York | 15th Regiment, New York Cavalry | Cavalry |
| O'Neil, Nelson | Pennsylvania | 67th Regiment, Pennsylvania Infantry | Infantry |
Search External Archives
Search for "O'Neil" 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'Neil" 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.