Crystal Lake South High School Alumni
Crystal Lake, Illinois (IL)
Kelly Duffy (Kelly O'brien)
Crystal Lake South High School
Class of 1990
→ Join 2653 Alumni from Crystal Lake South High School that have already claimed their alumni profiles.
→ There are 58 classes, starting with the class of 1943 all the way up to class of 2023.
KELLY'S PROFILE
| First Name | Kelly |
| Last Name | Duffy |
| Maiden Name | O'brien |
| Graduation Year | Class of 1990 |
| Gender | Female |
| City | N/A |
| State/Province | FL |
| Country | United States |
| Occupation | College Professor |
| Married | Yes |
| Favorite School Memory | Going to the senior prom with Derek |
| About Me | Moved to Florida Married my childhood sweetheart and best friend Derek Gave birth to our beautiful son Kevin in 2002 |
Class of 1990 Alumni
→ Reunite with 49 class of 1990 alumni that have joined.
Theresa Niemet
Class of 1991
J.r. Bailey
Class of 1991
Josh Reed
Class of 1998
David Zeman
Class of 1985
Melissa Ficht
Class of 2000
Alex Miller
Class of 1988
Jennifer Fitzsimmons
Class of 2001
Diane Boucher
Class of 2006
Kristen Cooper
Class of 2007
Deborah Bruner
Class of 1982
Nicole Acevedo
Class of 2003
Kathryn Stanley
Class of 2011
Stephanie Wells
Class of 1981
Cameron Apple
Class of 1996
Andy Oja
Class of 2012
Gene Williams
Class of 1983
Heather Ryan
Class of 1988
Richie Kiehl
Class of 2008
Julie Bardin
Class of 2004
Nick Nick Servedio
Class of 2001
Jiliana Palozzolo
Class of 1998
Jakob Ciavarella
Class of 2019
Jeff Davis
Class of 1996
Todd S
Class of 1999
