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, Dennis | Union Regular Army | 4th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, Dennis | Union Regular Army | 1st Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, Dennis | Union Regular Army | 3rd Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, Dennis D. | Missouri | 7th Regiment, Missouri Infantry | Infantry |
| O'Sullivan, Denon | Union Regular Army | 1st Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, Edward | New York | 21st Regiment, New York Cavalry | Cavalry |
| O'Sullivan, Eugene | Veteran Reserve | Unassigned Veteran Reserve Corps | |
| O'Sullivan, Eugene | Missouri | 18th Regiment, Missouri Infantry | Infantry |
| O'Sullivan, Eugene | Connecticut | 20th Regiment, Connecticut Infantry | Infantry |
| O'Sullivan, Eugene | Union Regular Army | 9th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, Eugene | New York | 164th Regiment, New York Infantry | Infantry |
| O'Sullivan, Eugene | New York | 1st Regiment, New York Mounted Rifles | |
| O'Sullivan, Eugene | Union Regular Army | 2nd Regiment, US Artillery (Regular Army) | Artillery |
| O'Sullivan, Eugene | New York | 16th Regiment, New York Heavy Artillery | Artillery |
| O'Sullivan, Eugene | Veteran Reserve | 1st Regiment, Veteran Reserve Corps | |
| O'Sullivan, Eugene | New York | 99th Regiment, New York Infantry National Guard (100 days, 1864) | Infantry |
| O'Sullivan, F. J. N. | Ohio | 67th Regiment, Ohio Infantry | Infantry |
| O'Sullivan, Francis | Union Regular Army | 4th Regiment, US Infantry (Regular Army) | Infantry |
| O'Sullivan, Francis | Union Regular Army | 3rd Regiment, US Artillery (Regular Army) | Artillery |
| O'Sullivan, Geo. | New York | 61st Regiment, New York Infantry | Infantry |
| O'Sullivan, Henry | United States Colored Troops | 75th Regiment, United States Colored Infantry | Infantry |
| O'Sullivan, Henry | United States Colored Troops | 88th Regiment, United States Colored Infantry (Old Organization) | Infantry |
| O'Sullivan, James | New York | 10th Regiment, New York Infantry | Infantry |
| O'Sullivan, James | Illinois | 23 Regiment, Illinois Infantry (Irish Brigade) | Infantry |
| O'Sullivan, James | Massachusetts | 4th Regiment, Massachusetts Cavalry | Cavalry |
| O'Sullivan, James | Massachusetts | 9th Regiment, Massachusetts Infantry | Infantry |
| O'Sullivan, James | Missouri | 1st Regiment, Missouri Engineers | Engineers |
| O'Sullivan, James | Missouri | 18th Regiment, Missouri Infantry | Infantry |
| O'Sullivan, James | Missouri | 25th Regiment, Missouri Infantry | Infantry |
| O'Sullivan, James | Ohio | 94th Regiment, Ohio Infantry | Infantry |
| O'Sullivan, James | Wisconsin | 30th Regiment, Wisconsin Infantry | Infantry |
| O'Sullivan, James | California | 2nd Regiment, California Infantry | Infantry |
| O'Sullivan, James | California | 8th Regiment, California Infantry | Infantry |
| O'Sullivan, James | New York | 1st Regiment, New York Marine Artillery | Artillery |
| O'Sullivan, James | Rhode Island | 3rd Regiment, Rhode Island Heavy Artillery | Artillery |
| O'Sullivan, James | District Of Columbia | 1st Battalion, District of Columbia Infantry | Infantry |
| O'Sullivan, James | New York | 25th Regiment, New York State Militia (3 months, 1861) | |
| O'Sullivan, James A. | New York | 164th Regiment, New York Infantry | Infantry |
| O'Sullivan, Jeremiah | Nevada | 1st Battalion, Nevada Infantry | Infantry |
| O'Sullivan, Jeremiah | Kansas | 1st Regiment, Kansas Infantry | Infantry |
| O'Sullivan, Jeremiah | Massachusetts | 19th Regiment, Massachusetts Infantry | Infantry |
| O'Sullivan, Jeremiah | Massachusetts | 22nd Regiment, Massachusetts Infantry | Infantry |
| O'Sullivan, Jeremiah | Massachusetts | 48th Regiment, Massachusetts Infantry (Militia) | Infantry |
| O'Sullivan, Jeremiah | Veteran Reserve | 2nd Battalion, Veteran Reserve Corps | |
| O'Sullivan, Jeremiah | New York | 84th Regiment, New York Infantry | Infantry |
| O'Sullivan, Jeremiah | New York | 31st Regiment, New York Infantry | Infantry |
| O'Sullivan, Jeremiah | New York | 69th Regiment, New York State Militia | |
| O'Sullivan, Jeremiah | New York | 182nd Regiment, New York Infantry | Infantry |
| O'Sullivan, Jeremiah | District Of Columbia | 1st Battalion, District of Columbia Infantry | Infantry |
| O'Sullivan, Jeremiah J.O. | Union Regular Army | 1st Regiment, US Dragoons (Regular Army) | 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 →
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