RHOSLC Star Mary Cosby Pays Tribute to Late Son Robert Jr.

The church leader penned a heartbreaking message days after confirming her son's tragic death at age 23.

Mar. 3, 2026 at 6:15am

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Mary Cosby, star of "The Real Housewives of Salt Lake City," shared a touching Instagram tribute to her late son, Robert Cosby Jr., just days after confirming his tragic death at age 23. Cosby posted a photo of herself and a young Robert Jr., set to the song "Time After Time" by Jessica Mauboy, along with a caption expressing how much she will miss her only child. Fellow "Real Housewives" stars offered their condolences in the comments section.

Why it matters

The loss of a child is an unimaginable tragedy, and Cosby's public tribute highlights the profound grief she is experiencing. As a prominent reality TV personality, Cosby's story sheds light on the challenges that even wealthy and successful individuals can face in their personal lives.

The details

Robert Cosby Jr. was found dead on Monday after police responded to an overdose call that turned into a death investigation, according to the Salt Lake City Police Department. Cosby had previously spoken about her son's struggles with drug addiction on "The Real Housewives of Salt Lake City." In the weeks leading up to his death, Robert Jr. was charged with domestic violence and had a warrant out for his arrest.

  • Robert Cosby Jr. was found dead on Monday, February 27, 2026.
  • Cosby shared the tribute to her late son on Friday, February 28, 2026.

The players

Mary Cosby

The star of "The Real Housewives of Salt Lake City" and the mother of the late Robert Cosby Jr.

Robert Cosby Jr.

Cosby's 23-year-old son, who tragically passed away from an overdose.

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What they’re saying

“I'm Going to miss you bubs❤️🙏😢”

— Mary Cosby

“I love this photo of the both of you. Sending continued love, prayers and strength. Love you Mary.❤️❤️❤️”

— Cynthia Bailey, RHOA star

“Sending you love and strength ❤️.”

— Heather Dubrow, RHOC star

The takeaway

Cosby's public tribute to her late son highlights the devastating impact of addiction and the profound grief that can accompany the loss of a child. Her story serves as a reminder of the importance of mental health support and resources for those struggling with substance abuse issues, even among the wealthy and famous.