State summary of war casualties : (New York). United States. Navy Dept. Office of Information. -- Washington, D.C. United States Government Printing Office, 1946.
- O'Boyle, Anthony A
- O'Brian, William Joseph
- O'Brien, Daniel Francis
- O'Brien, Daniel J
- O'Brien, Ernest Roy
- O'Brien, Frank John
- O'Brien, Herbert Raymond
- O'Brien, James H
- O'Brien, James M
- O'Brien, John Clarence
- O'Brien, John Edward
- O'Brien, John Francis
- O'Brien, John J
- O'Brien, John James
- O'Brien, John Joseph
- O'Brien, John Patrick
- O'Brien, John Patrick
- O'Brien, Lawrence Edmund
- O'Brien, Leo William
- O'Brien, Robert L.
- O'Brien, Thomas C
- O'Brien, Thomas Francis
- O'Brien, Thomas Patrick
- O'Brien, William D
- O'Bryan, Walter J
- O'Byrne, John Francis
- O'Callaghan, Vincent Thomas
- O'Connell, Bernard Joseph
- O'Connell, Donald Francis
- O'Connell, Edward J
- O'Connell, Francis Xavier
- O'Connell, John Aloysius
- O'Connell, Oscar J
- O'Connell, William Stephen
- O'Connor, Charles
- O'Connor, Charles David
- O'Connor, Dudley Bernard
- O'Connor, James A.
- O'Connor, John Albert
- O'Connor, John Christopher
- O'Connor, John T
- O'Connor, Joseph Aloysius
- O'Connor, Leo F
- O'Connor, Marvin J
- O'Connor, Maurice Michael
- O'Connor, Robert J
- O'Connor, Thomas J
- O'Connor, Thomas J.
- O'Connor, Timothy Augustine
- O'Connor, William J
- O'Donnell, Edmund
- O'Donnell, James F
- O'Donnell, James J
- O'Donnell, James P
- O'Donnell, John Thomas
- O'Donnell, Simon Joseph
- O'Donnell, Thomas F
- O'Donoghue, Daniel A
- O'Gorman, Charles Patrick
- O'Gorman, Hubert Joseph
- O'Grady, John A
- O'Grady, John Lawrence
- O'Grady, John William
- O'Grady, William P
- O'Haire, George V
- O'Halloran, Edward Joseph
- O'Halloran, James J
- O'Halloran, Joseph A
- O'Hanlon, John Paul
- O'Hara, Bernard A
- O'Hara, Francis Gerald
- O'Hara, Harry John
- O'Hara, John F.
- O'Hara, Peter
- O'Hara, William John
- O'Hare, Donald Francis
- O'Harra, Joy Millard
- O'Kane, Bernard James
- O'Keefe, Eugene Francis
- O'Keefe, Michael E
- O'Keefe, Vincent William
- O'Lati, Louis John
- O'Leary, John E.
- O'Leary, Robert
- O'Loughlin, Robert Henry
- O'Loughlin, William Francis
- O'Madigan, Edward Joseph
- O'Malley, John F.
- O'Malley, Joseph M
- O'Malley, William P
- O'Meara, Thomas Francis
- O'Moore, Pearse Daniel
- O'Neil, Bernard Joseph
- O'Neil, Charles V.
- O'Neil, Harold Edward
- O'Neil, Joseph Francis
- O'Neil, William Joseph
- O'Neill, Bryan Thomas
- O'Neill, Cornelius Edward
- O'Neill, Edward Francis
- O'Neill, James Louis
- O'Neill, Robert
- O'Neill, William John
- O'Reilly, Alfred James
- O'Reilly, Harold Anthony
- O'Reilly, Patrick Joseph
- O'Rourke, Edward A.
- O'Rourke, Henry Joseph
- O'Ryan, James E.
- O'Shaughnessy, James Joseph
- O'Shaughnessy, William John
- O'Shea, George J
- O'Shea, Harold S.
- O'Sullivan, Arthur Paul
- O'Sullivan, Donald F
- O'Sullivan, James A
- O'Sullivan, Patrick Joseph
- Oakes, Harold Thomas
- Oarside, Frank
- Oates, Charles Francis
- Oberg, Albert Edward
- Obersheimer, Clayton Banks
- Oeffler, John S
- Oehl, Donald Frederick
- Oelkers, Henry Edward
- Oesau, Andrew John
- Oetinger, Edwin Norman
- Oettinger, Richard J
- Offenbacker, Albert P
- Ogg, Harry Lamb
- Ogilvie, Douglas R
- Ogilvie, William A
- Ohar, John
- Ohlert, John T
- Ohlman, Richard Joseph
- Ohnigian, Suran
- Ohrt, Charles Newton
- Ojalvo, Leo
- Okerblum, Samuel
- Oktavec, Jan Lier
- Okunevich, Constantine Keen
- Oldham, Philip A
- Olen, Roy
- Olff, John Nicholas
- Olitsky, William Gabriel
- Olive, Richard Everett
- Oliver, Chester T.
- Oliver, Curtis Ismal
- Oliver, Guy Monroe
- Oliver, James Henry
- Oliver, Leroy M.
- Oliver, Paul Henry
- Oliveri, John J
- Olkowski, Edward
- Olley, Clarence C.
- Olphie, Richard
- Olsen, Arthur Helmer
- Olsen, Bernard Martin
- Olsen, George William
- Olsen, John Franklin
- Olsen, John Martin
- Olsen, Richard Frank
- Olsen, Robert Otto
- Olsen, Samuel Mathew
- Olsen, Stanley Roderick
- Olsen, Theodore
- Olsen, William Joseph
- Olson, Howard Albin
- Olson, Paul William
- Onderdonk, Robert N.
- Oniks, Charles
- Opisso, Larry Anzo
- Oppedisano, Joseph Frank
- Oppelt, John Thomas
- Oppleton, Alfred George
- Orcutt, Kenneth Calvert
- Orel, Walter S.
- Organ, Patrick T
- Orgovan, John George
- Orlando, Frank N.
- Orlando, Joseph
- Orlyk, Stephen M.
- Ormsby, Frank Worden
- Orner, Fred
- Oro, Robert Albert
- Orr, Lester Ferris
- Orrok, Richard L
- Orsie, Charles John
- Orsino, James J
- Orton, William B.
- Ortutay, William J.
- Orzechowski, Leo
- Osani, Joseph
- Osborn, David L.
- Osborne, John Morey
- Osborne, William L.
- Oshier, Allen Phillip
- Osmanski, Eugene
- Ostergren, Erick Gustaf
- Osterman, Bruce W.
- Osterweis, Lewis M.
- Ostrander, Howard D
- Ostrove, Ellis
- Ostrowski, Julius Fred
- Oswald, John Vincent
- Otis, Albert Charles
- Ott, Harry William
- Otto, Henry J.
- Ouderkirk, Harold W
- Overton, Alan Gustave
- Ovsanik, Joseph
- Owen, Idwal Evan
- Owen, Ross Maxwell
- Owens, George Sutter
- Owens, William
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