Last names starting with "O"
- Class of 1968 Nancy O Donnell
- Class of 1964 Patrick O'Niel
- Class of 1968 Nancy Odonnell
- Class of 2008 Amanda Olcott (now Johns)
- Class of 2008 Manda Olcott (now Johns)
- Class of 1949 James OLeary
- Joseph Oleyourryk
- Class of 1989 Tracey Oreilly
- Class of 1975 Doreen Ormsby
- Class of 1952 Robert Ormsby
- Class of 2012 Nereliz Ortiz Torres
- Class of 2013 Nereliz Ortiz-Torres
- Class of 1961 Norman Osborne
- Class of 1974 David Oswald
- Class of 1949 Shirley Ottman
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About the Oswego High School Alumni Directory
If you attended Oswego High Oswego, New York and want to be added to the alumni directory register now to add your name to the alumni list. For former Oswego HS students from NY, you can view the class reunion information that has been posted by other site visitors. In addition, we encourage you to post your profile in the alumni directory, share information about the school activities you were involved with and reconnect with Oswego High School alumni.