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Name High School Grad Year
James Olah Schenley High School Class of 1967
Circe Olander Peabody High School Class of 1976
Echo Olander Peabody High School Class of 1977
Julia Olander Allderdice High School Class of 2017
Nancy Olander Baldwin High School Class of 1971
Robert Olander Mt Lebanon High School Class of 1999
Teri Olander Mt Lebanon High School Class of 1974
Rose OLarkin Sacred Heart High School Class of 1958
David Olbum Allderdice High School Class of 1982
James Oldham Allderdice High School Class of 1931
Zsone Olds Schenley High School Class of 2009
Cindy Oldynski Carrick High School Class of 1984
Rodrigo Olea Woodland Hills High School Class of 1986
Michael Olearchick Fox Chapel High School Class of 1982
Ann Oleary North Catholic High School Class of 1984
Cathy Oleary Keystone Oaks High School Class of 1972
Denise Oleary Brashear High School
Jack Oleary Central Catholic High School Class of 1973
Michael Oleary Wilkinsburg Senior High School Class of 1979
Patrick Oleary Seton La Salle High School Class of 1985
John Olejar Central Catholic High School Class of 1976
Lori Oleksak Keystone Oaks High School Class of 1991
Nicholas Olenik Carrick High School
Julie Olenn Village Academy High School Class of 1990
Amy Oles Plum Senior High School
Carol Olesinski Arsenal Vocational School Class of 1968
Andrea Oleta Bishop Canevin High School Class of 1995
Donna Olhnhausen Carrick High School Class of 1964
Tracy Oli Oakland Catholic High School Class of 1994
Eleanor Oliana Baldwin High School Class of 1958
Deborah Olinick Penn Hills Senior High School Class of 1982
Ann Olisky Peabody High School Class of 1977
Anne Olisky Peabody High School Class of 1977
Ann Olitsky Peabody High School Class of 1977
Anne Olitsky Peabody High School
Sylvia Olivares Fox Chapel High School Class of 1965
Aaron Oliver Allderdice High School Class of 2007
April Oliver Oliver High School
Christy Oliver David B Oliver High School Class of 1995
Jessie Oliver Plum Senior High School
Joni Oliver Peabody High School Class of 1975
Jordan Oliver Brashear High School Class of 2016
Joseph Oliver Oliver High School
Justin Oliver David B Oliver High School Class of 2001
Michael Oliver Taylor Allderdice High School Class of 1992
Nickie Oliver Shaler Area Senior High School Class of 1989
Pattey Oliver Langley High School Class of 1974
Roberta Oliver Plum High School
Shawn Oliver Peabody High School Class of 1991
Susan Oliver Carrick High School Class of 1978
Joanne Oliverio Holy Innocents High School Class of 1972
Robert Oliverio South Hills High School Class of 1961
Evelyn Olivieri Carrick High School
John Olkawski Bishop Canevin High School Class of 1990
June Ollom Langley High School
Sylvia Olman South Hills High School Class of 1968
Donna Olnhausen Carrick High School Class of 1964
Ed OLoughlin Plum Senior High School
David Olsavsky Carrick High School
Judy Olschenski Schenley High School Class of 1958
Barb Olsen Mt Lebanon High School Class of 1971
Barbara Olsen Mt Lebanon High School Class of 1971
Charles Olsen Fox Chapel High School Class of 1971
Corinne Olsen Mt Lebanon High School Class of 1971
Judy Olshenske Schenley High School
Barb Olson Mt Lebanon High School Class of 1963
Carrie Olson Mt Lebanon High School
Deb Olson Mt Lebanon High School Class of 1973
Deborah Olson Mt Lebanon High School Class of 1973
Gary Olson Mt Lebanon High School Class of 1967
Roseann Olszewski Carrick High School Class of 1971
Thomas Olszewski Carrick High School Class of 1967
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
Joshua OMalley Knoxville Jr High School Class of 2003
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
Zeana Omar Allderdice High School Class of 2016
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
Michael On Brashear High School
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
Lexy One Oakland Catholic High School Class of 2011
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
John ONeill South Side Catholic High School Class of 1978
John ONeill Thomas Jefferson Sr High School Class of 1969
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
Sue Opipare David B Oliver High School Class of 1959
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
Alexander Orgain Peabody High School Class of 1953
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
Jill Orkin Fox Chapel High School Class of 1982
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
Kathy Orlic Plum Senior High School Class of 1971
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
Gerardo Orozco Brashear High School Class of 1982
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 South Hills High School
John Orsini Bishop Canevin High School Class of 1969
Kaylie Ortan Mt Lebanon High School Class of 2007
Mark Ortego South Hills High School Class of 1980
Jason Orth North Hills High School Class of 2000
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
Dorothy Osborne St Elizabeth High School
Ethel Osborne Crafton High School Class of 1954
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
Kim Osselborn Shaler Area Senior High School Class of 1989
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
Roberta Osterreider Mount Nazareth Academy Class of 1960
Roberta Osterrieder Holy Ghost Academy Class of 1956
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

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About Pittsburgh, PA Alumni

The listing of alumni from Pittsburgh, PA includes graduates from 131 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.