Mary Elizabeth St. Clair
September 22, 1962 – July 9, 2026
Mary Elizabeth St. Clair passed away peacefully on July 9, 2026, in San Leandro, California, at the age of 63. Born in St. Paul, Minnesota, on September 22, 1962, Mary brought warmth, light, and love into the lives of everyone who knew her.
Mary proudly served her country in the United States Air Force. During her time in service, she demonstrated exceptional skill and dedication, earning the Small Arms Expert Marksmanship Ribbon and the Air Force Good Conduct Medal.
Driven by a lifelong desire to support others, Mary earned her master’s degree in psychology. She dedicated her career to helping countless individuals find healing and hope. After her professional life she found great joy in the quiet comforts of home, cherishing quality time spent with her husband and her beloved cats.
She was preceded in death by her beloved mother, Phyllis Williams, and her father, Jim Barnes.
Mary’s memory will be kept alive by her devoted husband, Ronnie Coleman. She also leaves behind her loving sister, Debbie (Jesse) Richardson, her brother, Frank Thompson, as well as a vast community of friends who will miss her deeply. Her legacy of kindness, strength, and service will be cherished forever.
267 E. Lewelling Blvd.
San Lorenzo, CA 94580
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9130-B Alcosta Blvd.
San Ramon, CA 94583
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(925) 560-0800
267 E. Lewelling Blvd.
San Lorenzo, CA 94580