Montebello HS Alumni List 
Last names starting with "O"
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Registered Alumni
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Unknown Grad Year
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All Alumni
- Class of 1964 Michael O'brien
- Class of 1966 Sharon O'Brien
- Class of 1966 Peggy O'Neil (now ONeil Rosales)
- Class of 1958 Shirley Oakes
- Class of 1995 Melisa OBrien (formerly Barragan)
- Class of 1964 Michael OBrien
- Class of 1958 Molly OBrien
- Class of 2001 Denise Ocampo
- Class of 2011 Mariela Ocampo
- Class of 1976 Helen Ocegadta
- Class of 1976 Helen Ocegueda
- Class of 1992 Monica Ocegueda (now Quintero)
- Class of 2000 Octavio Ocegueda
- Class of 1995 Anthony Ochoa
- Class of 1962 Barbara Ochoa (formerly Wills)
- Class of 2009 Brenda Ochoa
- Class of 2008 Christian Ochoa
- Class of 2000 Claudia Ochoa
- Class of 1990 Griselda Ochoa
- Isaac Ochoa
- Class of 1979 Maria Ochoa
- Class of 2009 Mariadejesus Ochoa
- Class of 1989 Marina Ochoa
- Class of 1971 Richard Ochoa
- Rick Ochoa
- Class of 1991 Salvador Ochoa
- Class of 1959 Dexter Oday
- Class of 1965 Yolanda Odell
- Class of 1999 Melissa Odemlo
- Class of 1975 Gayle Oden
- Class of 1960 Donald Oehring
- Fransin Oganesia
- Cathy Ogawa
- Class of 1960 Sharon Martin Ogle
- Amber Ojeda
- Class of 1976 Mark Ojeda
- Class of 2002 Natalia Ojeda
- Class of 1971 Patrick Ojeda
- Class of 1973 Steve Ojeda
- Class of 1987 Teresa Ojeda
- Class of 1969 Marian Okai
- Class of 1981 Diana Oki
- Mike Olaerts
- Class of 1978 Raul Olague
- Fernando Olaiz
- Class of 2003 Lyla Olerts
- Class of 1971 Art Olguin
- Class of 1984 Don Olguin
- Class of 1972 Susan Olguin
- Class of 1974 Antoinette Olibos
- Class of 1995 Christina Olivare
- Class of 1995 Christina Olivares
- Class of 1957 Claudine Olivares
- Class of 1999 Helen Olivares
- Class of 2015 Jessica Olivares
- Class of 1993 Maria Olivares
- Class of 1985 Victor Olivares
- Class of 1985 Suzanne Olivas
- Class of 2010 Valeria Olivas
- Class of 2000 Steve Oliver
- Class of 2006 Azucena Olivo
- Frank Olivo
- Carlos Olmos
- Class of 1964 Edeard Olmos
- Edward Olmos
- Class of 1964 Edward James Olmos
- Class of 1970 Steve Olny
- Class of 1988 Matthew Olrtiz
- Class of 1967 Richard Olsen
- Class of 2008 Kennia OLvera
- Silvia Olvera
- Class of 1962 Edward Oneil
- Melinda Oneles
- Class of 1991 Karen Ontiveros
- Class of 1997 Sofia Ordaz
- Class of 2011 Kelley Orea
- Class of 2011 Kelley Orea (now Orea Garcia)
- Class of 1996 Ginger Orellana
- Class of 2011 Kelley Orew
- Class of 1987 Nagla Orlando
- Class of 1967 Alma Ornales
- Class of 1982 Elaine Ornales
- Class of 1983 Elena Ornales
- Jesus Ornelas
- Class of 1977 Toni Orona
- Class of 1998 Alfredo Orozco
- Class of 1993 Andrea Orozco
- Class of 1974 Antoinette Orozco
- Class of 1979 Clarence Orozco
- Class of 1980 Darlene Orozco
- Class of 2002 Joshua Orozco
- Class of 1999 Juan Orozco
- Class of 1994 Rob Orozco
- Class of 2009 Valerie Orozco
- Vohnny Orozco
- Class of 2003 Alex Ortega
- Class of 1995 Ben Ortega
- Class of 1999 Cindy Ortega
- Class of 2005 Francisco Ortega
- Class of 2017 Jasmine Ortega
- Class of 1987 Martin Ortega
- Class of 1990 Niza Ortega
- Class of 1970 Patricia Ortega
- Class of 2011 Sandy Ortega
- Class of 1997 Angie Ortiz
- Class of 1990 Anthony Ortiz
- Class of 1966 Barbara Ortiz
- Class of 2006 Jacky Ortiz
- Class of 2012 Jessica Ortiz
- Class of 2000 Joana Ortiz
- Class of 1979 Joann Ortiz
- Class of 1991 Lisa Ortiz (now Ortiz Lara)
- Class of 1990 Mark Ortiz
- Class of 1989 Meylin Ortiz
- Michelle Ortiz
- Class of 1971 Rebecca Ortiz (now Macias)
- Class of 1982 Rita Ortiz
- Class of 2005 Sonia Ortiz
- Class of 1962 Terry Ortiz
- Class of 2011 Cesar Oruna
- Class of 1957 Pat Osborn
- Judy Osborne
- Class of 1957 Jiminez Oscar
- Class of 2006 Beatriz Osorio
- Class of 2006 Dennice Osorio
- Class of 2007 Jaasiel Osorio
- Class of 2013 Joey Osorio
- Class of 1992 Carlos Osuna
- Class of 1968 Cuyler Ota
- Class of 1961 James (John) Otero
- Class of 1986 John Otero
- Class of 2005 Denise Ovaile
- Class of 2010 Joseph Ovalle
- Class of 2011 Ransford Owusu
- Class of 1981 Joy Oyama
- Rachel Ozuna
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School's Address:
2100 W Cleveland Ave
Montebello, California 90640
2100 W Cleveland Ave
Montebello, California 90640
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