Terry Kay Mattheyer Santin, 83, longtime resident of Davenport, Oklahoma, passed away early Sunday morning, May 17, 2026, in Shawnee, Oklahoma, surrounded by her family.

Terry was born on August 1, 1942, in Haleyville, Oklahoma, to Ralph and Enec (Poli) Thurman. She attended elementary school in Davenport and later graduated from Charles Page High School in Sand Springs, Oklahoma, with the Class of 1960. Following high school, Terry worked as a porter at a hospital in Tulsa before attending beauty school and earning her cosmetology license.

In November of 1961, Terry married Prentice Mattheyer, the father of her children. Together, they farmed and owned several businesses, including a carpet store, Thrift Quick Convenience Store, and Town and Country Convenience Store in Davenport, which they operated for more than 20 years. Throughout those years, Terry also worked as a hairstylist out of the back of their home while serving as office manager and bookkeeper for their family businesses.

In 1986, Terry married Ray Santin. Together, they shared a love of travel, especially trips to the mountains. They enjoyed camping in their RV and participating with the Corps of Engineers Gateway to Oklahoma group. Most importantly, Terry treasured time spent with her family. She especially loved her children, grandchildren, and great-grandchildren and cherished every opportunity for large family gatherings and family cruises together. Terry also enjoyed being a member of the Red Hat Club alongside her sister Linda.

Terry was preceded in death by her parents; her son, Dennis Mattheyer; husband, Ray Santin; and brother, Charles Thurman.

She is survived by her son, Timmy Mattheyer; daughter, Christy Terronez and husband, Jon; grandchildren, Dennis Mattheyer and spouse Angel Wylie, Sarah Mattheyer, Kacie Mattheyer and spouse Trent Camren, Daniel Mattheyer and wife Lexie, Michael Elliott and wife Haley, Brittany Fasching and husband Greg, and Sydney Elliott; great-grandchildren, Gracelyn Mattheyer, Troy Mattheyer, Jaxon Camren, Huxon Camren, Alara McLelland, Leonidas McLelland, Ciella McLelland, Naomi Elliott, Braize Elliott, Cyrus Elliott, Reece Fasching, and Rylee Fasching; sister, Linda Shanahan and husband Peter; nieces, Jenny Jones and Caitlyn Bessert; nephews, Jacob Shanahan, and Karson Smith; her chosen family, Paula and Jim Booze and their children, Mitchell, Shanna, and Laura; her dear friends, Pammy Heath, Kaye Hunt, Nichole Campbell, and Mike and Sandy Harris; she also leaves behind many nieces and nephews on the Mattheyer side of the family, all of whom she loved dearly; as well as many beloved extended family members and friends.