Twila Charlene Evans Cormack was born April 12, 1938, in Agra, Oklahoma, to William Jefferson Evans and Bessie Leoan (Epps) Evans. She went to be with the Lord on November 19, 2025, at The Gardens in Sapulpa, Oklahoma.

Twila was raised on the family farm and attended Agra High School, where she excelled as a basketball player. After graduating in 1956, she moved to Sand Springs to live with her aunt and uncle. She began her working career at Brown Duncan as a sales clerk and later joined Sand Springs State Bank. It was during this time that she met and married the love of her life, Dean Cormack. They were married for 41 years, until his passing in 2008. Their union was blessed with one son, Billy Dean Cormack.

Over the years, Twila worked for several financial institutions in Sand Springs, Shell Oil, Albert Equipment, and ultimately the Tulsa Postal Service, where she retired. Twila loved traveling with her family and was an active member of the Sand Springs Mothers Club. She was also a talented artist and painted many beautiful pieces throughout her life.

Twila is preceded in death by her husband, Dean Cormack; her son, Bill Cormack; her parents; her brother, Lyle Evans, and his wife, Anita of Ponca City; and her sister, Arlis Boley of Cushing.

She is survived by her sisters, Mona Butts and husband Charles, and Neta Dunn of Sand Springs; her brother, Ted Evans and wife Debbie of Agra, Oklahoma; along with a host of nieces, nephews, extended family, and friends who loved her dearly.

Twila will be greatly missed by all who knew her.