Last names starting with "O"
- Class of 1976 Peggy O'Donnell
- Regina Oberfeld
- Class of 1972 Marian Obrien
- Class of 1965 Kay ODonnell
- Class of 1989 Mark ODonnell
- Class of 2016 Rickia Oglesby
- Class of 1963 Trent Oliver
- Anne Oneal
- Class of 1989 Jennifer Oneill
- Class of 2010 Jordan Ordakowski
- Class of 1975 Mary Orndorff
- Class of 2011 Conor Osullivan
- James Otto
- Class of 1983 Tracy Outland
Looking for Catonsville High School alumni not listed? If so, check out Classmates.com® - hundreds of more CHS alumni have posted their profiles.
About the Catonsville High School Alumni Directory
If you attended Catonsville High and want to be added to the alumni directory register now to add your name to the alumni list. While you are reminiscing about the times you spent in high school at Catonsville High School, you should also check out alumni photos, yearbook listings and share any reunion info if possible.