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Mary Cosby has consistently grabbed headlines both on and off the set of The Real Housewives of Salt Lake City. Celebrated as a prominent figure in the Pentecostal church and a longtime personality on Bravo, Mary’s private affairs have frequently garnered as much interest as her moments on the show. In February of 2026, she and her spouse encountered an indescribable sorrow with the passing of their sole son, Robert Cosby Jr., at the age of 23.
“Our cherished son Robert Jr. has been summoned home to be with the Lord,” the family conveyed in a declaration. “Although our hearts are in pain, we find solace in God’s pledge and in the awareness that he is finally at rest. We are thankful for your kind prayers and depend on the Lord to guide us through this period of sadness.”
Discover additional details concerning Mary, her marriage, and her offspring, featured below.
Who Is Mary Cosby?
Mary is a renowned American reality TV personality, largely recognized for her participation in The Real Housewives of Salt Lake City, where she initially appeared as a founding cast member when the program debuted in 2020.
She presides over the Faith Temple Pentecostal Church located in Salt Lake City, a role she acquired through familial heritage, and has often been a pivotal and debated individual on the series as a result of her distinctive personal story and fervent religious views.
How Many Kids Does Mary Cosby Have?
Mary had a single child, a son named Robert Cosby Jr., who was born in 2002. He featured in several RHOSLC episodes, where his battles with substance reliance and psychological well-being were recorded.
Regrettably, Robert Jr. passed away at 23 years old on February 23, 2026, after authorities in Salt Lake City, Utah, responded to a reported “medical situation” at the family residence. According to TMZ, law enforcement stated he was discovered unresponsive and lacking consciousness, leading to an ambulance call; he was later confirmed dead. The precise cause of death is still being investigated, though emergency personnel administered Narcan (naloxone) to him due to a suspected opioid overdose.
Is Mary Cosby Married?
Indeed — Mary has been wedded to Robert Cosby Sr. since September 28, 1998. They married shortly after her grandmother’s passing, the woman who was previously married to Robert Sr., and Mary has portrayed the alliance as “arranged” in accordance with her family’s wishes.
If you or someone you are acquainted with is grappling with substance misuse, please reach out to the Substance Abuse and Mental Health Services Administration (SAMHSA) National Helpline at 1-800-662-HELP (4357).