The reality star shares her grief and the support of her castmates following the loss of Robert Cosby Jr.
Category: Arts & Culture
Mary Cosby, a prominent cast member on *The Real Housewives of Salt Lake City*, shared her heart-wrenching experience of losing her only son, Robert Cosby Jr., during the Season 7 premiere on September 16, 2026. Robert Jr. passed away on February 23, 2026, at the age of 23, following a battle with addiction. His death has deeply affected Mary, who described him as her best friend and an irreplaceable presence in her life.
In a poignant moment on camera, Mary expressed her sorrow, saying, "I miss him. He was my best friend; he was my kid. He had that love for me that I've never experienced. He loved big, you could just see it through his eyes, you could feel it come out of his body." Her emotional tribute to her son resonated with viewers and highlighted the depth of her grief.
Mary returned to filming just three weeks after Robert Jr.'s death, a decision she explained was influenced by her son's spirit. "Robert would want me to keep going," she said, emphasizing that his memory inspires her to continue living fully. She believes that his spirit will always be with her, guiding her through this challenging time.
Mary's grief was compounded by the circumstances surrounding Robert Jr.'s death. The Salt Lake City Police responded to an overdose call at 6:14 p.m. on the day of his death, where he was found unresponsive. This tragic event followed a series of struggles Robert Jr. faced, including a recent stint in jail after pleading guilty to multiple charges, including violating a protective order for his ex-wife. His release from Salt Lake County Metro Jail occurred just days before his untimely passing.
Mary Cosby has been open about her family's struggles with addiction, particularly in her conversations with Robert Jr. on the show. They had candid discussions about his use of drugs, including Xanax, which he began taking at the age of 16. Mary expressed feelings of disappointment and guilt, believing she had trusted him to manage his substance use responsibly.
During the Season 7 premiere, Mary revealed that she had been excited about Robert Jr.'s release from jail, hoping it marked a new beginning for him. "He turned to me, and he was just happy. He said, ‘Man, I’m clean,’" she recalled, a sentiment that now carries a bittersweet weight in light of his death.
In addition to her own grief, Mary shared how Robert Jr.'s pet dog, Kray, has been affected by the loss. "We took Kray to Bubs' room and let him smell the room, smelled his clothes that he had on. And he knew, bless his heart. I feel like Bub's dog is a piece of Bubs. They had the most beautiful bond, so it’s like a piece of Bubs is left," she said, highlighting the emotional connection that continues to provide her comfort.
As Mary navigates her grief, she has found solace in the support of her *RHOSLC* castmates, who rallied around her in the aftermath of the tragedy. Fellow cast members, including Lisa Barlow, Heather Gay, and Meredith Marks, have been instrumental in providing comfort during this difficult time. Mary expressed gratitude for their presence, stating, "It got me through it. I thought, 'Wow, God has been giving me a family.' Thank you, you know? You guys showed up, like in a special way. It's beautiful. It's bigger than us."
Mary's resilience is evident as she continues to film the reality series, using her platform to share her story and honor Robert Jr.'s memory. She has emphasized the importance of moving forward and finding peace, stating, "I feel at peace. I feel like he’s not battling, he’s not struggling and wanting me to help him, and I couldn’t. That’s the type of guilt that a parent has to deal with is you can’t help him." Mary aims to demonstrate that healing is possible, even after unimaginable loss.
Looking ahead, Mary plans to continue sharing her experiences on *The Real Housewives of Salt Lake City*, which airs Wednesdays at 8 p.m. ET/PT on Bravo. She hopes that by doing so, she can inspire others dealing with grief and loss to find strength and support in their communities.
As the season progresses, viewers will witness Mary’s emotional healing process and the ways in which she honors her son's legacy. Robert Jr.'s influence remains a guiding light for her, as she navigates the challenges of life without him.