Cover photo for Mary Jean Grillo's Obituary
Mary Jean Grillo Profile Photo
1935 Jean 2024

Mary Jean Grillo

February 1, 1935 — December 12, 2024

Saint Peters, Missouri

Jean Grillo (nee Fetsch), of Saint Peters, MO, passed away Thursday, December 12, 2024, at the age of 89. Beloved wife of the late Eugene Grillo, Jr.; cherished daughter of the late Jacob and Christine Fetsch; devoted mother of Debbie Grillo, Art (Cindy) Grillo, Jeff (Colleen) Grillo, John (Deby) Grillo, Jim (Judy) Grillo, Karen Steffen, Nancy (Edgar) Wilding, and Ed Grillo; loving grandmother of 18 adoring grandchildren; treasured great grandmother of 30; dear sister of Carol (Ken) Iffrig; aunt, great aunt, cousin and friend, honorary mom and grandmother to many. Jean was also preceded in death by five sisters, Isabell Henke, Alice Hoelting, Luicille Kasper, Ruth Schnieder-Conoyer, her twin, Jane Hibbeler, and 4 brothers, Floyd Fetsch, Ralph Fetsch, Jerry Fetsch, and William Fetsch.

Jean was a devoted member of All Saints Church and a beloved matriarch who cherished her family above all else, finding immense joy in caring for her children, grandchildren, and great-grandchildren. She had a passion for cooking, which she turned into a successful catering business, and was especially celebrated for her incredible lasagna and homemade pizzas. Known for her selflessness, Jean always put the needs of others before her own, embodying a love for life that touched everyone around her. She was dearly loved and will be deeply missed by all who knew her.

Memorials may be made in Jean’s name to the American Heart Association. 

Cemetery Information

St. Charles Memorial Gardens

3950 W Clay St

St Charles, MO 63301

Service Schedule

Past Services

Visitation

Tuesday, December 17, 2024

9:30 - 10:30 am (Central time)

All Saints Catholic Church

7 McMenamy Rd, St Peters, MO 63376

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Mass

Tuesday, December 17, 2024

10:30 - 11:30 am (Central time)

All Saints Catholic Church

7 McMenamy Rd, St Peters, MO 63376

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Graveside Service

Tuesday, December 17, 2024

12:00 - 12:15 pm (Central time)

St. Charles Memorial Gardens

3950 W Clay St, Saint Charles, MO 63301

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