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Nancy A. Guerin, age 88, of Franklin, passed away peacefully on Sunday, April 19, 2026. Nancy was born on August 3, 1937, in Milwaukee to the late Bernard and Sylvia (Wozny) Mross. She was united in marriage to the love of her life, John “Jack” Guerin, on July 6, 1957. They shared many wonderful years together until his passing in 2023.
Nancy built a career she was very proud of as an accountant at Wisconsin Electric, where her strong aptitude for numbers and finance was well respected. She had a natural talent for mathematics and took great pride in her work.
She was a woman who valued her independence and found joy in life’s simple pleasures. Nancy loved watching QVC, window shopping, and attending craft fairs. Above all, family meant everything to her. She delighted in hearing about her grandchildren’s adventures and took great pride in each of their accomplishments.
Nancy is lovingly survived by her sons, James (Mary) Guerin and Allen (Gail) Guerin. She was a proud and devoted grandmother to Lisa (Jacob) Dykas, Stacy (Dan) Haacker, Jacob Guerin, Dakota (Amelia) Guerin, Zachary (Bonnie) Guerin, Elizabeth Guerin, and Bernard Guerin. She was also a cherished great-grandmother to Alexis, Tyson, and Aria. Nancy is further survived by her sister Judith (David) Milosch, along with nieces, nephews, other relatives, and dear friends.
Visitation will be held at Max A. Sass Mission Hills Chapel (8910 W. Drexel Ave., Franklin) on Wednesday, May 6, 2026, from 10:00 AM until the time of service at 12:00 PM. Burial will take place at Southern Wisconsin Veterans Memorial Cemetery in Union Grove.
Nancy will be remembered for her strength, warmth, and deep love for her family. She will be dearly missed by all who knew her.
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