Last names starting with "O"
- Class of 1972 Lenore O Malley
- Class of 1964 Patricia O'connor
- Class of 1979 Marie O'Hora (now Sokol)
- Class of 1977 Anne Ogorman
- Class of 1975 Susan Ogorman
- Class of 1977 Joseph Ohara
- Class of 1964 Mary Ohara
- Class of 1961 James Oleary
- Class of 1971 Lenore Omalley
- Maureen Omalley
- Class of 1970 Patricia Opdyke
- Class of 1975 Danny Orr
- Angie Ortiz
- David Osborne
- Class of 2006 Christian Owens
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About the Bishop Hannan High School Alumni Directory
If you attended Bishop Hannan High and want to be added to the alumni directory register now to add your name to the alumni list. You can also find out what other graduates are doing now, share memories with other alumn, upload pictures from BHHS and find other alumni.