Cover photo for Mary Anne (Horvath)  Detlefsen's Obituary
Mary Anne (Horvath)  Detlefsen Profile Photo
1929 Mary 2023

Mary Anne (Horvath) Detlefsen

May 29, 1929 — June 16, 2023

Mary Anne Detlefsen passed away June 16, 2023 in Lake Geneva, WI at age 94.

Mary was born on May 29, 1929 in Chicago. She lived in Deerfield, IL, Long Grove, IL and Lyons, WI throughout her life. She was a wonderful mother to Nancy (Bob) and the late Tom as well as special Nana to Kelly (Evan) and Jamie (Matt). Happily married to the late Gordon for 67 years. Sister, auntie and friend to many. She had many talents and hobbies including sewing, story writing, gardening, walking, volunteering and baking. Her baking skills were shared with friends and relatives throughout the country. Her parties were fabulous. She also worked as an executive secretary for many years. She will be greatly missed by those who loved her.

To post an online condolence please click the "Share a Memory" box on the left side of your screen.

Derrick Funeral Home of Lake Geneva is more than honored to be assisting Mary's family.

To send flowers to the family in memory of Mary Anne (Horvath) Detlefsen, please visit our flower store.

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St. Killians Cemetery

, Lake Geneva, WI 53147

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