Theresa "Terri" A. Heil Wysocki

Theresa “Terri” Ann Heil Wysocki, 83, passed away peacefully at Aspirus Wausau Hospital on Friday, January 16, 2026, surrounded by family.

Theresa was born on January 10, 1943 in Waukegan, Illinois to Ervin and Rosina (Diedrich) Heil. She was the second of eleven children. In 1950, the family moved to a farm near Marathon. Theresa attended St. Rose Convent in La Crosse for high school and later graduated from Viterbo University with a degree in Education.

After eleven years in the convent, Theresa decided to pursue a new path and moved to Milwaukee with four friends where she taught elementary school in West Allis. On October 3, 1970, she married Ronald Wysocki in Marathon. The couple lived in Milwaukee until they built their home in Port Washington in 1979.

In 1972, Theresa became self-employed with the Figurette Company, eventually becoming a regional manager, a role that allowed her to travel. She was an active member of the Senior Center in Port Washington where she taught Mahjong and served on the board. Ron and Theresa were married for over forty years before he preceded her in death on January 11, 2011.

In 2018, Theresa moved to Wausau to be closer to family. She joined The Landing in Wausau where she taught Mahjong and Mexican Train. In 2022, she moved to Renaissance Assisted Living, where she continued teaching games and participated in many activities.

Theresa was known for her outgoing personality, her love of meeting new people, and her ability to make everyone feel welcome.

Theresa is survived by her siblings: Richard (Lynn) Heil, Weston; Arnold (Luanne) Heil, Wausau; James (Janet) Heil, Venetia, PA; Rose Nerad, Bellingham, WA; Roger (Joanne) Heil, Wausau; Eugene (Paula) Heil, Marathon; Barbara (Rodney) Roeder, Weston; Margaret (Barry) Busse, Wausau; sister-in-law, Carol Heil, Wausau; and brother-in-law, Greg Stark, Edgar; godson, Bradley (Cory Voigt) Heil, Ringle; as well as many nieces and nephews and friends.

She was preceded in death by her husband; her parents; her in-laws, Frank and Genevieve Wysocki; her sister, Elaine Heil-Stark; and her brother, Dennis Heil.

The family wishes to extend heartfelt thanks to Renaissance Assisted Living and the Aspirus ICU for the compassionate care given to their sister, Theresa.

A Celebration of Life will be held on Wednesday, February 4, 2026, at Peterson/Kraemer Funeral Home, 3400 Stewart Avenue, Wausau. Visitation will be from 9:30 a.m. until the time of services at 11:00 a.m. Burial will take place in the spring. Online condolences may be expressed at www.petersonkraemer.com.