Mary J. Cornellier, 76, of Lee, passed away peacefully surrounded by her loving family on September 15, 2026. Born at St. Luke's Hospital in Pittsfield on June 14th, 1950, she was the daughter of the late David Carvalho and Henrietta Carvalho (Olds). After graduating from Lee High School, class of '68, she married the love of her life, Thomas D. Cornellier Sr., on December 30, 1968 and then moved to North Carolina for a year before moving back to Berkshire County. After raising their two sons, Thomas D. Cornellier Jr. and David E. Cornellier, she entered the workforce where she became a certified Medical Insurance Coder and Trainer.

Mary enjoyed Arts and Crafts, road trips and attending Classic Car Shows with her husband as well as spending time with her grandchildren, Jordan O. Cornellier and Isaac B. Cornellier. She is pre-deceased by her brother, David R. Carvalho. There will be no calling hours, the family asks that you keep her in your thoughts and prayers.