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Thomas Joseph De Marco

Thomas Joseph De Marco, 82, of Chester Township and Naples, Fla., passed away on Feb. 6, 2025.

A devoted husband, father, stepfather, grandfather and brother, he is lovingly survived by his wife, Bonna, with whom he shared 40 wonderful years, and his children: Todd (Heather) De Marco, Kristin (Derek Mansfield) De Marco, Lisa (Sam) Tyree, and Bonna’s daughters, Joelle (Pete) Snavely and Dana Kelly.

Tom is also survived by his youngest brother, Ray, and his beloved grandchildren: Max, Mia, Rex, Merin, Sylvia, Jack, Jess, Paige and Ruby.

Tom attended the University of Pittsburgh before launching a distinguished career in dentistry. In 1976, he became the youngest dental school dean in the nation at Case Western Reserve School of Dental Medicine. A dedicated educator and mentor, he shaped the careers of generations of students. Tom practiced periodontics for 56 years until retiring at age 80.

Tom and Bonna split their time between Ohio and Florida, traveling the world, enjoying great food and making lifelong friends. He found his greatest joy in gathering with family, sharing good wine, lively conversation and laughter. A natural storyteller, he delighted in collecting and sharing jokes, bringing good humor to all who knew him.

Tom’s legacy is one of generosity, dedication and a zest for life. He taught us to find humor in life and never miss a good meal with loved ones. Though he is deeply missed, his spirit lives on in the hearts of those he touched.

A private celebration of life will be held in the spring.

In lieu of flowers, the family asks that donations be made to a charity of your choice.