Crystal Lake South High School Alumni
Crystal Lake, Illinois (IL)
Kelly Duffy (Kelly O'brien)
Crystal Lake South High School
Class of 1990
→ Join 2662 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.
Mike Mancini
Class of 1991
Erica Swanson
Class of 1999
Shelly Gibson
Class of 1991
Tiffany Redmer
Class of 1991
Aaron Clinard
Class of 2008
Amanda Byrd
Class of 1994
Nicholas Mcauliffe
Class of 1999
Brian Mcgill
Class of 1994
Tim Garis
Class of 1992
Ted Huppert
Class of 1999
Kurt Shaffer
Class of 1985
Kimberly Holloway
Class of 1981
Scott Grieve
Class of 1999
Steve Towne
Class of 1982
Krissy Lutz
Class of 1999
Beth Teresi
Class of 1999
Eddie Marrs
Class of 2010
Michelle Hammond
Class of 1991
