Last names starting with "O"
- Class of 1973 Shannon O'brien (now Myers)
- Class of 1964 Leon Oberlander
- Class of 2008 Ken Obilor
- Class of 1973 Bryan Obrien
- Class of 1996 Carlos Ocon
- Class of 1960 Andrea Oconnell
- Barbara Oettinger
- Class of 1955 Lori Oman
- Class of 1963 Nina Orloff
- Judith Ortiz
- Class of 2007 Rebecca Ortiz
- Class of 2000 Kanisha Owolabi
- Class of 2005 Chika Owuso
- Class of 2007 Chima Owuso
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About the Sullivan High School Alumni Directory
If you attended Sullivan High Chicago, IL linois and want to be added to the alumni directory register now to add your name to the alumni list. If you are an alumn of Sullivan you should register now in the alumni directory. We also encourage you to interact with the rest of the alumni on this site. You can find old friends, share photos and stay updated on the latest school news.