Cover photo for Tereece Marie Grover Olsen's Obituary
1937 Tereece Marie Grover Olsen 2023

Tereece Marie Grover Olsen

July 11, 1937 — April 19, 2023

Twin Falls, Idaho

Tereece Marie Grover Olsen, 85, passed away peacefully on April 19, 2023, in Twin Falls, Idaho. She was born on July 11, 1937, in Madison County, Idaho, to LuDean Andersen Grover and John Russell Grover. She married William Blaine Olsen on June 15, 1962, in the Idaho Falls LDS Temple.

Tereece was raised in Archer, Idaho. She attended the University of Idaho for two years and graduated from Brigham Young University with a teaching degree. She taught school in Idaho, Alaska, California, and Utah. While teaching school in Salt Lake City she met her sweetheart, Bill Olsen. They moved to Montana together where their first two sons, Bill and Erik, were born. It was a magical time for them living close to Yellowstone National Park and beginning their little family. They moved to Washington County where their last three children were born, and they raised their kids to adulthood. She finished her teaching career teaching special education at Hurricane Middle School.

Tereece enjoyed reading, sewing, gardening, and nature. She loved road trips with and to visit family. She was an active member of the Church of Jesus Christ of Latter-day Saints and served in many callings in the Primary, Young Women’s, and Relief Society. She and her husband, Bill, served two missions for their church after retirement.

She is loved and will be missed.

She is survived by her children, William R. Olsen (Diana), Erik L. Olsen (Mayeth), John B. Olsen (Melanee), Katherine Penrose (Michael) and Kurt Olsen, 14 grandchildren and 23 great grandchildren. Her brother, Blair Grover, and her sisters; Leila Gould, Minon Triplet and Nancy Perkins.

She is proceeded in death by her husband and grandson, Christian Olsen.

A viewing for Tereece will be held on Saturday, April 29, 2023, from 9:00-9:30 am, at Spilsbury Mortuary, 110 South Bluff Street, St. George, Utah, followed by the funeral services at 10:00 am.

Family and friends who are unable to attend are invited to view the funeral service online by clicking on the link below.

Video on Demand

She will be interred at the Washington City Cemetery, 300 Park View Drive, Washington, Utah.

Arrangements are made under the direction of Spilsbury Mortuary, 110 S Bluff Street, St. George, Utah. 435-673-2454. Family and friends are invited to leave a memory on Tereece’s obituary page at  www.spilsburymortuary.com

To order memorial trees or send flowers to the family in memory of Tereece Marie Grover Olsen, please visit our flower store.

Service Schedule

Past Services

Visitation

Saturday, April 29, 2023

9:00 - 9:30 am (Mountain time)

Spilsbury Mortuary - St George

110 S Bluff St, St. George, UT 84770

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

Funeral Service

Saturday, April 29, 2023

10:00 - 10:45 am (Mountain time)

Spilsbury Mortuary - St George

110 S Bluff St, St. George, UT 84770

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.

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