Cathy Maxine Castonguay

Cathy Maxine Castonguay, 72, passed away peacefully on May 10, 2026, in Denton, Texas, surrounded by loved ones. Cathy was born on February 19, 1954, in Watonga, Oklahoma, to Joseph Corrigan and Audry Corrigan. She grew up in Watonga, Oklahoma, where she attended Watonga High School and graduated in 1972. She later attended Chisholm Trail Area Vo-Tech Center for nursing, where she graduated at the top of her nursing class and received her LVN nursing license in 1994. Before pursuing her nursing career, Cathy worked for many years at Homeland, a local grocery store where she built lasting friendships and was known for her hardworking and caring nature. She later dedicated much of her life to caring for others through nursing and health care. 

On May 27, 1972, Cathy married Dennis Ray Castonguay in Watonga, Oklahoma. Cathy enjoyed bingo, fishing, watching Dallas Cowboys football games, going to the casino, word puzzles, and spending time visiting with her friends and loved ones. She was known for her caring heart, strength, humor, and compassionate spirit. At an early age, Cathy professed her love and faith for Christ while attending North Leach Church of Christ, which she loved so much. She also taught Sunday school when her girls were very young, something she cherished deeply. 

Cathy will be sincerely missed by her daughter, Carrie Sanders and husband, David Sanders, of Aubrey, Texas; her son-in-law, Eric Scott Dauscher, of Saint Jo, Texas; her brother, Thom Corrigan and his wife, Mary Corrigan, of Norman, Oklahoma; and her brother, Dennis Corrigan and his wife, Diana Corrigan, of Cache, Oklahoma. She also leaves behind her beloved grandchildren: Levi and Brach Dauscher, of Saint Jo, Texas; Paige Dauscher Roberts and her husband, Matthew Roberts, of Whitesboro, Texas; Carissa Sanders of Aubrey, Texas; and Spencer Sanders and his wife, Faith, of Aubrey, Texas. Her memory will also live on through her cherished great-grandchildren: Octavia Dauscher, of Saint Jo, Texas; Wrenlee Roberts, of Whitesboro, Texas; and Zalen David and Alani Lee, of Aubrey, Texas. She will also be dearly missed by her cherished nieces and nephews, many extended family members, and treasured friends who loved her dearly. 

She was preceded in death by her husband, Dennis Ray Castonguay; her daughter, Christina Dawn Castonguay Dauscher; her parents, Joseph and Audry Corrigan; her sister, Margaret McReynolds; and her brothers, Jerry Corrigan and Michael “Mike” Corrigan. A graveside service will be held at Dye Mound Cemetery, 381 Dye Mound Road, Saint Jo, Texas 76265, on Thursday, May 14, 2026, at 1:30 p.m., with a meal to celebrate her life immediately following at First Baptist Church of Saint Jo. The family would like to thank everyone for the prayers, love, and support shown during this difficult time.

“For I am persuaded, that neither death, nor life, nor angels, nor principalities, nor powers, nor things present, nor things to come, nor height, nor depth, nor any other creature, shall be able to separate us from the love of God.” — Romans 8:38-39