Son of 'Real Housewives of Salt Lake City' Star Mary Cosby Dies at 23

Robert Cosby Jr. passed away after a reported overdose incident in Salt Lake City.

Feb. 25, 2026 at 8:42pm

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Robert Cosby Jr., the 23-year-old son of The Real Housewives of Salt Lake City star Mary Cosby, has died. The Salt Lake City police department confirmed his death after responding to an overdose call on Monday evening. Mary Cosby and her husband Robert Cosby Sr. shared a statement expressing their grief and saying they take comfort in God's promise as they mourn the loss of their beloved son.

Why it matters

The death of a young person is always tragic, and the loss of Mary Cosby's son will likely be deeply felt by her family, her co-stars, and the wider Bravo TV community. This story highlights the ongoing challenges of addiction and mental health issues that can impact even high-profile families.

The details

According to reports, police responded to an overdose call at approximately 6:14 p.m. on Monday, which then became a death investigation. In a statement, Mary Cosby and her husband Robert Cosby Sr. said they are heartbroken but take comfort in God's promise as they grieve the loss of their 'beloved son'.

  • Police responded to the overdose call on Monday, February 24, 2026 at approximately 6:14 p.m.

The players

Mary Cosby

A star of the reality TV series The Real Housewives of Salt Lake City.

Robert Cosby Sr.

Mary Cosby's husband and the father of their late son, Robert Cosby Jr.

Robert Cosby Jr.

The 23-year-old son of Mary Cosby and Robert Cosby Sr. who passed away after a reported overdose incident.

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What they’re saying

“Our beloved son Robert Jr. has been called home to the Lord. Though our hearts ache, we take comfort in God's promise and in knowing he is finally at peace.”

— Mary Cosby and Robert Cosby Sr.

The takeaway

This tragic loss highlights the ongoing challenges of addiction and mental health issues that can impact even high-profile families. Mary Cosby and her family will need support and compassion as they grieve the untimely death of their beloved son.