Teresa Ann Loesing

Teresa Ann Loesing (nee Wiesner) passed away the morning of Thursday, February 12, 2026 at the age of 80. She was born on June 24, 1945 in Waukesha to parents Eugene and Bernice (nee Smith) Wiesner. Teresa grew up in Waukesha and eventually started her own family there as well. She met and married her husband Melvin Loesing, who precedes her in death, and together they raised their son, Tim. Teresa was a dedicated worker of Waukesha Memorial Hospital for over 30 years working in materials management, her responsibility being sterilizing all surgical equipment.

Teresa is survived by her son Timothy “Tim” Loesing (Allison R. Loesing-Turks); grandchildren, Noah M. Turks, Simon J. Loesing and Elliot O. Loesing; sisters, Janice Rosencrans and Marion (Robert) Steiro; nieces, Janel Dudzik, Jeri Hidde (Mark Bresnyon), Karen (Keith) Ruona and Judi (Tom ) Landes; nephew, David (Melissa) Steiro, and further survived by many other great-great nieces and nephews. She is preceded in death by her husband Melvin O. Loesing; stepdaughter, Brenda Loesing; brother-in-law, Jerry Rosencrans, and parents Eugene and Bernice Wiesner.

Visitation will be held on Thursday, February 19, 2026 at Randle-Dable-Brisk Funeral Home, 1110 South Grand Avenue, Waukesha, WI 53186, from 12:00 p.m. until the 1:00 p.m. funeral service. Teresa will be laid to rest the following day at St. Joseph Catholic Cemetery in Waukesha.

Memorials in Teresa’s name are appreciated to the American Cancer Society.