Mary LaVon Barrett

Mary LaVon Barrett

(nee Froehlich)

Age 97, of Aurora, formerly of Hinsdale, IL passed away peacefully on Friday, September 4, 2026. LaVon loved learning and was an exceptional student throughout her life. She earned a Bachelor of Science Degree in Chemistry at Mundelein College and went on to complete her Master’s Degree in Education from DePaul University. Later earned degrees in Learning Disabilities and Computer Science. At the age of 65, completed a Master’s degree in Dietetics from Northern Illinois University before becoming a licensed registered dietician, embodying her belief that it is never too late to learn something new. She was the founding chapter president of the Evergreen Park League of Women Voters. She organized the Great Books program at various schools and enjoyed antiquing with her beloved husband. Though an only child herself, LaVon cherished and loved the large family she devoted her life to. She will be deeply missed by her family and all who knew and loved her.

Preceded in death by her beloved husband, Patrick John Barrett Sr. (1995); and her parents, Anthony and Helen (nee Boggins) Froehlich.

Survived by her six devoted children, Patrick Jr., Dr. Terrance A. (Carmela), Kevin P. (Terri), Mary Ellen (Denny) Dine, Brian M. (Margaret), and Sharon E. Dennehy; former daughter-in-law, Denise Hayes; dear grammy of Christina (Bob) Pershey, Bridget (Aaron) Nagel, Patrick Barrett, Tony Barrett, Ryan Barrett, Kathleen (Kevin) Schwendener, Meghan (Mark) Englert, Patricia LaVon (Dan) Mega, Terrance Joseph “TJ” Barrett, Kevin (Natalee) Barrett, Blake (Kylie) Barrett, Mallory Barrett, Erin Dine, Catherine Dine, Denny Dine, Jake (Gabby) Barrett, Brianna Barrett, Viada (Ben) Dobosenski, Declan Dennehy, and John Dennehy; and cherished great grandmother of 20.

In lieu of flowers, memorials to St. James Church at Sag Bridge, 10600 Archer Ave., Lemont, IL 60439 in LaVon’s name would be greatly appreciated (DONATE) Note: Once you add to "Gift Basket", please follow to "Give as Guest".

Visitation will be held on Thursday, September 10, 2026, in the O’Neil Funeral Home Chapel 1105 E. 9th St., Lockport, IL 60441 from 9:00am until prayers at 10:30am. Proceeding to St. James at Sag Bridge Catholic Church, Lemont for Mass of Christian Burial at 12:00pm. Interment following Mass at St. James Catholic Cemetery, Lemont.