Mary Roberta Wintjen, the daughter of Chester H. and Opal E. (Thomas) King, was born June 27, 1948, in Maryville, Missouri. She attended Worth County R-1 High School, Grant City, Missouri, graduating in 1966. Mary later attended Northwest Missouri State University, Maryville, earning her Bachelor of Science degrees in Elementary Education and Library Science in 1969. She also attended University of Missouri, Columbia, Missouri, earning her Master’s Degree.

On July 2, 1970, Mary was united in marriage to Terry Wintjen at First United Methodist Church, Maryville. They became the parents of two sons, Kevin and Darin.

Mary worked in education for 30 years. She was then employed for Hannibal Public Schools as the Library Director, Hannibal, Missouri, retiring in 2001.

Mary was a member of First Christian Church of Pittsfield, Illinois. She was a former member of Missouri Association of School Librarians, Jefferson City, Missouri, Delta Kappa Gamma Teacher Society, and American Legion Auxiliary.

Mary enjoyed reading, camping, traveling, and crocheting. Her favorite pastime was spending time with her grandchildren. Mary passed away Tuesday, April 13, 2021, at Eastside Nursing Home, Pittsfield, Illinois, at the age of 72.

Besides her parents and husband, Terry Wintjen, Mary was preceded in death by sisters, Ada May Fletchall and Bertha O’Banion; brother, Don King; and grandson, Chance Wintjen. She is survived by her children, Kevin N. (Denise) Wintjen, Macon, Missouri, and Darin (Shelley) Wintjen, Griggsville, Illinois; grandsons, Austin, Dustin, D.J. (Bekah), and Stone Wintjen; two sisters, Chesteen Stuck and Ruby Goff; as well as numerous nieces, nephews, and cousins.

A funeral service was held Saturday, April 17, 2021, at Minter Funeral Chapel, Rock Port, Missouri, conducted by Pastor Alan King. Private family interment was held at Hunter Cemetery. Memorials may be directed to Hunter Cemetery, Rock Port. Online condolences may be left at Services are under the direction of Minter Funeral Chapel, Rock Port.