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Name High School Grad Year
Deanna Olup Carrick High School Class of 1997
Jeffrey Olup Baldwin High School Class of 1979
Tom Olzak North Catholic High School Class of 1991
Doris Olzewki Fox Chapel High School Class of 1983
Daniel Olzewski Fox Chapel High School Class of 1969
Joseph Olzewski Fox Chapel High School
Cathy OMalley Carrick High School Class of 1974
Christi Omalley North Hills High School
Darlene OMalley South Hills High School Class of 1985
Erin Omalley Perry Traditional Academy Class of 1998
Gina Omalley Penn Hills Senior High School
James Omalley Peabody High School Class of 1951
John Omalley Peabody High School
Josh OMalley Carrick High School
Kath Omalley Carrick High School Class of 1977
Kevin Omalley Fox Chapel High School Class of 1976
Kristi Omalley North Hills Senior High School Class of 1991
Kristy Omalley North Hills High School Class of 1991
Lois OMalley Sacred Heart High School Class of 1961
Maureen Omalley Oakland Catholic High School Class of 1990
Nikki Omalley Brashear High School
Thomas Omalley Baldwin High School Class of 1972
Shawn Omally Shaler Area Senior High School
Timothy OMally Baldwin High School Class of 1987
Mary Omara Northgate Jr Sr High School Class of 1995
Maureen OMara Carrick High School Class of 1964
Scott OMara Keystone Oaks High School Class of 1968
Lynne Oncea Keystone Oaks High School Class of 1990
Mary Onda St Benedict Academy Class of 1956
Regina Onda Elizabeth Seton Class of 1967
Marla Ondek St Francis Academy Class of 1993
Dennis Onderick Woodland Hills High School Class of 1996
Dave Ondik Seton La Salle High School
Chris Ondos Baldwin High School Class of 1989
Eric Ondos Baldwin High School
John One Central Catholic High School Class of 1975
Anne Oneal Penn Hills Senior High School
Michael Oneal Keystone Oaks High School Class of 1974
Nathaniel ONeal Peabody High School Class of 2007
Jacqueline Oneil Carrick High School Class of 1964
John Oneil Peabody High School
Martin ONeil Plum Senior High School Class of 1970
Pat Oneil Keystone Oaks High School Class of 1985
Shawneen ONeil Vincentian High School Class of 1979
Thomas ONeil Baldwin High School Class of 1973
Betsey ONeill Penn Hills Senior High School Class of 1972
Bonnie ONeill Allderdice High School Class of 1981
Dennis ONeill South Hills High School Class of 1977
Jen Oneill Carrick High School Class of 1995
Kristin Oneill Baldwin High School Class of 1988
Leann Oneill Peabody High School
Shawneen Oneill Vincentian High School Class of 1979
Richard Oney Baldwin High School
Darryl Onhson Schenley High School Class of 1983
Elizabeth Onodi Elizabeth Seton Class of 1975
McKenzie Oo Langley High School Class of 2005
Jen Oodw Mt Lebanon High School Class of 1983
Mary Oonnor Lawrencevlle Catholic High School Class of 1975
Heather Op Woodland Hills High School Class of 2001
Valarie Op Oakland Catholic High School Class of 1999
Christine Opal Bishop Canevin High School Class of 1976
Richard Opal Carrick High School Class of 1976
Peter Oparnica Carrick High School Class of 1962
Joyce Opdyke Allderdice High School Class of 1983
Vince Opdyke Allderdice High School Class of 1984
Patricia Oper Brashear High School Class of 1989
Catherine Opferman Carrick High School Class of 1971
JoAnn Opferman Bishop Canevin High School Class of 1985
Lisa Opferman Carrick High School Class of 1999
Al Opiela South Hills High School Class of 1966
William Opipare David B Oliver High School Class of 1968
Steve Oplak North Hills High School Class of 1965
Sara Or Penn Hills Senior High School Class of 2005
Carl Oranges Carrick High School
Carl Orangis Carrick High School
Joe Orban Penn Hills Senior High School
John Orban St Augustine High School
Joseph Orban Penn Hills Senior High School Class of 1980
Katherine Orban St Augustine High School Class of 1953
Alexis Orchowski Carrick High School
Corinne Orchowski Carrick High School Class of 1997
Marilyn Orchowski St Adalbert High School
Sabrina Orchowski North Hills Senior High School
Shena Ordi Brashear High School Class of 2001
Jane Oreilly St Benedict Academy
Patricia Oreilly Bishop Canevin High School Class of 1969
Charles Organ South Hills High School
Frankel Orin Peabody High School Class of 1960
Matthew Oriolo Bishop Canevin High School
Judith Oris Shaler Area Senior High School Class of 1965
Brian Orkin Fox Chapel High School Class of 1988
Sue Orlandi Thomas Jefferson Sr High School Class of 1987
Stefinie Orlando Penn Hills Senior High School Class of 1973
Herbert Orlansky David B Oliver High School Class of 1947
Jill Orlensky Taylor Allderdice High School Class of 1976
Colleen Orlowski North Hills High School
Stacey Orman Brashear High School Class of 1976
Danielle Ornato Keystone Oaks High School Class of 1982
Karen Oross Langley High School
Luann Orosz Churchill Area High School Class of 1979
Tyler Orouke Woodland Hills High School Class of 2002
Daniel Orourke Peabody High School
Steve Oroz Churchill Area High School
Andria Orr Westinghouse High School Class of 1974
Clarence Orr Wilkinsburg Senior High School Class of 1943
Ridge Orr Fox Chapel High School Class of 1969
Robert Orr Fox Chapel High School Class of 1981
Vernon Orr Peabody High School Class of 1954
Jane Orringer Fox Chapel High School Class of 2010
Shena Orsi Brashear High School Class of 2001
Christopher Orsini Carrick High School Class of 2007
John Orsini Bishop Canevin High School Class of 1969
John Orsini South Hills High School
Kaylie Ortan Mt Lebanon High School Class of 2007
Mark Ortego South Hills High School Class of 1980
Joanne Orth Holy Ghost Academy Class of 1970
Nancy Orth Southside High School Class of 1962
Susan Orth Allderdice High School
Dorothy Ortiz St Augustine High School Class of 1957
Leonard Ortmann North Catholic High School Class of 1970
Marianne Ortoleva St Raphaels High School Class of 1971
Rebecca Osan Fox Chapel High School Class of 1999
Bruce Osborne Fox Chapel High School Class of 1966
Melanie Osborne Bishop Canevin High School Class of 1994
Ryan Osborne Bishop Canevin High School Class of 1996
Steve Osborne Fox Chapel High School Class of 1970
Patrick Osbourne South Hills High School Class of 1972
Alexandra Osell Fox Chapel High School
Lynn Osgood Mt Lebanon High School
Michael Osgood North Hills High School Class of 1971
Robert Osgood Mt Lebanon High School
Tom Oshanick Central Catholic High School Class of 1984
Julie Oshaughnessy Fox Chapel High School
Asha Oshay Peabody High School Class of 1994
Steven Oshea Wilkinsburg Senior High School Class of 1973
Timothy Oshea South Side Catholic High School
Howard Oshell Baldwin High School Class of 1986
Lois Oshell Langley High School Class of 1948
Tracy Osinski Keystone Oaks High School Class of 1985
Linda Oskin Penn Hills Senior High School
Lynda Oskin Penn Hills Senior High School Class of 1965
Lisa Osouski Keystone Oaks High School Class of 1983
Jaymie Osselborn Carrick High School Class of 2009
Lindsay Ossler South Side Catholic High School Class of 2002
Lynn Ossowski Baldwin High School Class of 1965
Beth Ost Fox Chapel High School
Greg Osterling North Catholic High School
Mary Osterman St Justin
Donald Ostermeyer Brashear High School Class of 1996
Janet Ostermeyer South Hills High School Class of 1968
Thomas Ostermeyer Carrick High School Class of 1976
Dennis Osterreider North Catholic High School Class of 1967
Patrick Osterritter Brashear High School Class of 1980
Nicole OStoff Fox Chapel High School Class of 2002
Dave Ostoich North Catholic High School Class of 1972
Beth Ostr Fox Chapel High School
Sean Ostreicher Langley High School Class of 1991
Beth Ostrosky Fox Chapel High School
David Ostrosky Fox Chapel High School Class of 1986
Jan Ostrovsky George Westinghouse High School Class of 2004
Lida Ostrowski Langley High School Class of 1996
Jack Ostrowsky Taylor Allderdice High School Class of 1948
Crystal Ostwald South Voc Tech High School Class of 1998
Michael Ostwald Allderdice High School
Crystal Ostwalt South Voc Tech High School Class of 1998
David Oswald Langley High School Class of 1973
Diane Oswald Baldwin High School Class of 1972
Inda Oswald St Paul Cathedral High School Class of 1979
Joanne Oswald Keystone Oaks High School Class of 1974
Linda Oswald St Paul Cathedral High School Class of 1979
Timothy Oswalt Brashear High School
Rachel Oswant Taylor Allderdice High School Class of 1972
Christine Otis Baldwin High School Class of 1976
Ann Otmire St Benedict Academy Class of 1972
Tim Otolle Taylor Allderdice High School Class of 1964
Kevin Otool South Hills High School Class of 1978
Gary OToole Bishop Canevin High School Class of 1974
James Otoole North Catholic High School Class of 1990
John OToole North Catholic High School Class of 1972
Kathy OToole Sacred Heart High School Class of 1964
Katlin OToole Seton La Salle High School Class of 2011
Lori Otoole St Francis Academy Class of 1986
Lynn Otoole Carrick High School Class of 1986
Mary Otoole South Hills High School Class of 1977
Maureen Otoole Baldwin High School Class of 1976
Maureen Otoole Churchill Area High School Class of 1980
Michael Otoole South Hills High School
Michael Otoole St Justin
Mike Otoole South Hills High School Class of 1983
Richard OToole North Catholic High School Class of 1969
Sharon Otoole Baldwin High School Class of 1973
Susanne Otoole Allderdice High School Class of 1969
Thomas OToole Crafton High School Class of 1947
Thomas OToole Fox Chapel High School Class of 1978
Tim Otoole Taylor Allderdice High School Class of 1964
Barbara Ott Baldwin High School Class of 1986
Bryan Ott Brashear High School Class of 1985
Jack Ott South Hills High School Class of 1965
John Ott Lawrencevlle Catholic High School Class of 1982
Larry Ott Brashear High School Class of 1984
Marilyn Ott South Hills High School Class of 1950
Marsha Ott Mt Lebanon High School
Martin Ott South Hills High School Class of 1966
Robert Ott Mt Lebanon High School Class of 1948
Tim Ott Hilltop Catholic High School Class of 1975
Joann Ottaviano Keystone Oaks High School Class of 1989
Imelda Otte St Elizabeth High School Class of 1964
Roberta Ottinger Baldwin High School Class of 1978
Bob Otto Baldwin High School Class of 1979
Pam Otto Baldwin High School Class of 1984
Robert Otto Baldwin High School Class of 1979
Thomas Otway Brashear High School
Julie Oustraski Shaler Area Senior High School Class of 2009
Jewel Outlaw Peabody High School
Renee Outlaw Langley High School Class of 1984
Chris Outley Avonworth High School Class of 1973
April Outly Northgate Jr Sr High School Class of 1998
Lee Overfield Baldwin High School Class of 1986
Ashley Overhand Keystone Oaks High School
Linda Overhue Langley High School Class of 1990
Susan Overmyer Churchill Area High School
Nancy Overs Baldwin High School Class of 1977
Tamika Overson George Westinghouse High School Class of 1996
Kenneth Overton George Westinghouse High School Class of 1982
Jeremy Owen Carrick High School Class of 1992
Andrew Owens George Westinghouse High School Class of 1976
Clevon Owens Westinghouse High School
Colleen Owens Baldwin High School Class of 1969
Donald Owens Carrick High School Class of 2001
Edward Owens Keystone Oaks High School Class of 1968
Haley Owens Woodland Hills Senior High School Class of 2004
James Owens South Hills High School Class of 1975
Janet Owens Schenley High School Class of 1962
Jennette Owens Carrick High School Class of 1983
Juanita Owens Peabody High School Class of 1939
Kristina Owens Seton La Salle High School Class of 1987
Marlene Owens Wilkinsburg Senior High School Class of 1966
Robert Owens Wilkinsburg Senior High School Class of 1966
Sara Owl Fox Chapel High School Class of 2007
Andrews Owusu Brashear High School

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About Pittsburgh, PA Alumni

The listing of alumni from Pittsburgh, PA includes graduates from 130 schools. To filter results, select a Pittsburgh, PA high school using the links to the right. The Pittsburgh alumni list on this page come from a variety of sources. Clicking one of your friends will give you locations that you can get back in touch with the fellow graduate. To view alumni that graduated in Pittsburgh around your class year, enter your graduation year in the search box at the top of the page. You may also be able to find friends close to your home town. We also have listings for graduates from Millvale, PA, McKees Rocks, PA, or Dormont, PA.

Approximately 24,300 of residents in Pittsburgh (8%) are the normal age for attending high school (15-19). Also, around 15,500 Pittsburgh residents (5%) are the average age for high school seniors (18-19). Population stats are from the United States Census Bureau.