Keith Mary
Alton |

Keith Mary, 69, of Alton, Illinois, passed away on February 20, 2025, in San Antonio, Texas, surrounded by his loving family.
Keith was born on April 9, 1955, in Alton, Illinois, to Glen and Williebelle “Billie” Mary. He lived a life full of adventure and joy, always embracing the outdoors, attending car races, and enjoying the sounds of blues music. Keith was known for his outgoing nature. He never met a stranger and had a remarkable ability to connect with others, making everyone feel like a friend.
Keith is survived by his children: Michael Mary (Maggie Mary) and Erica Castillo (Michael Castillo); his grandchildren: Michael Castillo (Kathryn Castillo), Sean Castillo-Mendoza (Val Castillo-Mendoza), Haleigh Castillo, Nadia Castillo, Payton Mary, and McKenna Mary; and his siblings: Bert Mary (Patsy Mary) and Glenda Link. He was preceded in death by his parents, Glen Mary and Billie Mary, his sister, Gracie Dorman, and his brother-in-law, Kenneth Link.
A celebration of Keith's life will be held at a later date. In lieu of flowers, the family asks that donations be made to MD Anderson Cancer Center in Keith’s memory (https://mdanderson.donordrive.com/campaign/In-Loving-Memory-of-Keith-Mary).
Keith will be deeply missed but will forever be remembered for his love, kindness, and the lasting impact he had on everyone fortunate enough to know him.