Henry Sibley High School Alumni
Mendota Heights, Minnesota (MN)
Mary Hillegas (Mary Hildebrandt)
Henry Sibley High School
Class of 1975
→ Join 2549 Alumni from Henry Sibley High School that have already claimed their alumni profiles.
→ There are 69 classes, starting with the class of 1930 all the way up to class of 2023.
MARY'S PROFILE
| First Name | Mary |
| Last Name | Hillegas |
| Maiden Name | Hildebrandt |
| Graduation Year | Class of 1975 |
| Gender | Female |
| City | N/A |
| State/Province | MN |
| Country | United States |
| Occupation | Software Engineer |
| Married | Yes |
Class of 1975 Alumni
→ Reunite with 64 class of 1975 alumni that have joined.
Mary Plante
Class of 1961
Alex Jackson
Class of 2005
Anne Anne Hildebrandt
Class of 1972
Christine Cowley
Class of 1993
Jon Isakson
Class of 1977
Troy Guggenberger
Class of 1991
Max Rafferty
Class of 2003
Rodney Stelter
Class of 1967
Gwen Reis
Class of 1973
Celeste Winzig
Class of 1979
Bob Ross
Class of 1999
Kathie Handeland
Class of 1979
Renee Helfmann
Class of 2004
Steve Carlson
Class of 2004
Melissa Moore
Class of 1987
Jeffrey Petersen
Class of 1969
Sue Brantner
Class of 1980
Laurel Adams
Class of 1973
Upcoming Class of 1975 Reunions
Plan a Class of 1975 Reunion for Free
Class of 1975 50th Reunion
Invited Classes: 1975
Date: Aug 23, 2025
Description: To receive the details and a RSVP form please email your contact information to sibley1975reunion@gmail.com Dear Clas...(read more)