Last names starting with "O"
- Class of 1986 Vince O'Mara
- Class of 2002 Kathryn O'neal
- Class of 1994 Aaron Oakley
- Class of 1990 Meredith Oakley
- Charlene Obrien
- Class of 2001 Stephanie Obrien
- Class of 2000 Jennifer Orlando
- Class of 1972 Gary Orrock (now Orrock)
- Class of 2007 Aaron Osborne
- Class of 1985 Tina Overbey
- Class of 1966 Faye Overton
- Class of 1969 Sandra Owen (now DeTar)
- Class of 1963 Stephen Owen
- Daniel Oxler
Looking for Francis Howell High School alumni not listed? If so, check out Classmates.com® - hundreds of more FHHS alumni have posted their profiles.
About the Francis Howell High School Alumni Directory
Check out all of the names of the Francis Howell High School alumni that attended high school in Saint Charles that are listed above. Registering will allow you to join the directory. For former Francis Howell students from MO, you can view the class reunion information that has been posted by other site visitors. In addition, we encourage you to post your profile in the alumni directory, share information about the school activities you were involved with and reconnect with Francis Howell High School alumni.