Last names starting with "I"
- Class of 1984 Nicole Illian
- Class of 2017 Nick Ilozo
- Class of 1973 Rich Indelicato
- Class of 2001 Smith Inishaka
- Class of 2016 Anthony Interrante
- Class of 2006 Simeon Iordanov
- Class of 1985 Michael Iozzo
- Class of 1966 Mike Iozzo
- Class of 1989 Vito Iozzo
- Class of 1988 Mary Ann Irvine
- Jerick Islan
- Jersen Islan
- Jeruck Islan
- Class of 1990 Mary Ivanoski
- Class of 1965 Carl Ivanyi
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About the Willowbrook High School Alumni Directory
Check out all of the names of the Willowbrook High School alumni that attended high school in Villa Park that are listed above. Registering will allow you to join the directory. You can also find out what other graduates are doing now, share memories with other alumn, upload pictures from Willowbrook High and find other alumni.