Last names starting with "O"
- Wilf O'brien
- Class of 1950 Veronica Obranvic
- Class of 1968 Brian OConnor
- Class of 2003 Terrance Oden
- Lorne Ogilvie
- John Ogorman
- Class of 2018 Caleb Ohara
- Jeremy Oneal
- Ralph Orlandi
- Class of 1989 Anthony Osborne
- Class of 1983 Michele Oubre
- Class of 1984 Francine Ouellette
- Class of 1993 Anitris Owens
- Class of 1965 Jim Owik
Looking for Mackenzie High School alumni not listed? If so, check out Classmates.com® - hundreds of more MHS alumni have posted their profiles.
About the Mackenzie High School Alumni Directory
If you attended Mackenzie High and want to be added to the alumni directory register now to add your name to the alumni list. We also encourage you to keep up to date on news and reconnect with Mackenzie High School alumni.