Margaret Ann (Castro) Kirk, 71, of Oklahoma City passed away on Friday, May 7, 2021 with her family by her side. She was born on October 22, 1949 in Oklahoma City to Edward and Louise (Sanchez) Castro. She married the love of her life, Gary Lynn Kirk and shared many happy years together. Margaret retired as a Senior Account Manager for INSURICA Insurance Agency. She loved spending time with her family, going to casinos and watching OU football. Margaret will be missed by all who knew and loved her. She was preceded in death by her: Parents; Edward and Louise Castro; Husband, Gary Kirk. She is survived by her: Son, Adam Kirk; Brothers, Rick Castro & Steve Castro; Sisters, Linda Woerne & Sharon Courtney and husband Gary; Nieces, Nephews, Cousins and Friends.