Last names starting with "O"
- Class of 1947 \nJoaj O'Brien
- Shannon O'Grady
- Class of 1977 Joseph Oconnor
- Class of 1951 Ann Odonnell
- Antoinette Ogonowski
- Class of 1945 Pauline Olenik
- Class of 1971 Christine Onessimo (formerly Tirella)
- Class of 1958 Jean Opern
- Class of 1973 Jeannette Orpen (formerly Griffin)
- Class of 2007 James Oudan
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About the Charlestown High School Alumni Directory
If you attended Charlestown High Charlestown, MA ssachusetts and want to be added to the alumni directory register now to add your name to the alumni list. You can share memories of those activities that you were involved with at Charlestown HS and you can view other alumni and read what other former students have posted about the time they spent at Charlestown.