Crystal Lake South High School Alumni
Crystal Lake, Illinois (IL)
Kelly Duffy (Kelly O'brien)
Crystal Lake South High School
Class of 1990
→ Join 2648 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.
Corrine Kaczmarek
Class of 1983
Ankur Rathi
Class of 2004
Emily Swanson
Class of 2010
Jason Neumann
Class of 1996
Lauren Cuchna
Class of 2003
Martha Jones
Class of 1982
Mary Lewis
Class of 1977
Terri Ross
Class of 1980
Chris Watts
Class of 1986
Arshsd Papa
Class of 1989
Derek Derek Panek
Class of 2010
Heather Mccluskey
Class of 1994
Kate Connell
Class of 1993
Chris Kolmar
Class of 2003
Eric Stecks
Class of 1999
Robert Wunderlich
Class of 1983
Donald Donald Ellison
Class of 1989
Greg Newton
Class of 1979
Dace Lemanis
Class of 1986
Vinny Marzano
Class of 2007
Laura Fraser
Class of 1986
Connor Doyle
Class of 2009
Casey Nims
Class of 1989
Scott Mikrut
Class of 2000
Heather Kuligowski
Class of 1994
Ashley Freund
Class of 2003
Brannon Hertel
Class of 1991
Eddie Marrs
Class of 2010
Kevin Vasquez
Class of 2005
James Layer
Class of 1980
Stacie Shimp
Class of 1991
Anthon Lemon
Class of 2001
Kevin Kamholz
Class of 1983
Jennifer Rojek
Class of 1996
Heather Kinsley
Class of 1982
Megan Huddleston
Class of 1997
