Mary Ellen Dettmann

February 12, 1932
May 1, 2022

Mary Ellen Dettmann, 90, passed away Sunday, May 1, 2022.  She was born February 12, 1932, in Casper, WY to William and Ruth (Walker) Horner.  On November 28, 1953, she married Walter Paul Dettmann.

After her husband died suddenly, leaving behind four young children, Mary returned to school to get her LPN nursing degree.  She dedicated her life to raising her children and taking care of the sick and elderly, especially her good friend, Myron Frisque.  Mary was employed for over 30 years with St. Vincent Hospital.  After retiring from St. Vincent’s, Mary continued working as a nurse at Bornemann’s Nursing Home.

During the summer months, Mary enjoyed taking care of her flower boxes in the front of the house, which were the envy of the neighborhood.  Most importantly, Mary loved her visits and sharing in the life events of her two granddaughters, Heather and Sarah.

She is survived by her four children, Sandra Dettmann, Green Bay; Judy (Chris) Sims, Pilot Point, TX; John (Connie) Dettmann, Green Bay; Walter “Scott” (Anne) Dettmann, Green Bay; two granddaughters, Heather Dettmann, Dallas, TX; and Sara (Stephen) Breeding, Frisco, TX; two step-grandsons, Ryan (Carrie) Harrison and Michael Harrison; great-grandchildren, Liam Breeding and Stephen Breeding, Jr.; step-great-grandchildren, Ella Harrison and Elizabeth Harrison; her loving sister, Lola Jane Skidmore; nieces and nephews.

She was preceded in death by her husband, Walter Paul Dettmann; her parents, William and Ruth Horner; a brother, William Merrill Horner; sisters, Maxine Louise Watson, Ruth Loraine Kurtz, Martha Ann Poirier, Frances Louise Horner, and Carol Mae Horner.

Visitation will be held from 9:30 to 10:20 a.m. Saturday, May 7th, at Prince of Peace Catholic Church, 3425 Willow Road.  The Mass of Christian Burial will be celebrated at 10:30 a.m. Saturday at the church.  Burial will immediately follow in Allouez Catholic Cemetery.  Proko-Wall Funeral Home is assisting the family and online condolences may be expressed at

Mary’s family extends a special thank you to Ann Salscheider, all the special people at Odd Fellow Nursing Home, and the staff of Unity Hospice for their care.

May 7, 2022
9:30 to 10:20 a.m.
Prince of Peace Church [map]
Funeral Mass
May 7, 2022
10:30 a.m.
Prince of Peace Church [map]