War Records: O'Sullivan

Found 287 Civil War soldier records for surname "O'Sullivan" (Union: 238, Confederacy: 49).

287 Results

Union (238) Confederacy (49)
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 →

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.