Last names starting with "O"
- Class of 1979 Catherine O'Brien
- Class of 1974 Ellen O'Brien
- Ellen Obrien
- Class of 1972 Maria OBrien (formerly Petine)
- Class of 1992 Kristin Ochs
- Class of 1974 Peter Okrepki
- Class of 1982 Kathy Oleary
- Class of 1977 Tim Oliver
- Class of 1971 Chris Olsen
- Class of 1994 Christina Oltmann
- Class of 2017 Jason Osorno
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About the Morris Knolls High School Alumni Directory
If you attended Morris Knolls High Denville, New Jersey and want to be added to the alumni directory register now to add your name to the alumni list. Don't forget to upload your Morris Knolls High School pictures and check on the latest info about any Morris Knolls High School reunion.