Thelma Jane Cook of San Carlos, passed away Thursday, October 1, 2020 at her home surrounded by family and friends. Thelma was born in San Carlos, AZ on April 13, 1963 to Nell Mason Cook and Late Ronnie Cook Sr. She was a homemaker who loved spending time with her family and friends. Thelma is preceded in death by her brother Ronnie Cook Jr., Sister Tanaya Carrie Cook, and Father Ronnie Cook Sr. She is survived by her children, Marla Cook, Christy Sangster-Begay, Tessy Sisto, and Krcina Lonnie of San Carlos, her life partner Davidson Billy of Bylas, her siblings Abel Cook, Sharon Nosie, Janet Dosela, Margo Cruz of San Carlos, and Perphelia Boz of Florence, her 21 grandchildren, and her 6 great-grandchildren