Last names starting with "O"
- Class of 2007 Jessica Ochoa
- Class of 1977 Isabelle Olivares
- Class of 2017 Alanis Olivarez
- Class of 1986 Albert Olivarez
- Class of 1988 Cris Olivarez
- Jacob Olivarez
- Class of 1990 Molly Olivarez (now Rodriguez)
- Class of 1979 Ramiro Olivarez
- Class of 1996 Rudy Olivarez
- Class of 1969 Sophia Olivarez
- Class of 1995 Vanessa Olivarez
- Veronica Olivarez
- Class of 1985 Curt Oliver
- Class of 2003 Timothy Oliver
- Willis Oliver
- Class of 1986 Albert Olovarez
- Class of 1994 Rose Ann Orona (formerly Vidaurri)
- Class of 1992 Hilaria Ortiz (formerly Sandoval)
- Class of 1988 Norma Ovalle
- Melissa Ozuna
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About the Mathis High School Alumni Directory
If you attended Mathis High and want to be added to the alumni directory register now to add your name to the alumni list. For former Mathis High students from TX, 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 Mathis High School alumni.