'RHOSLC' Star Mary Cosby’s Son, Robert Cosby Jr., Found Dead at 23

Mary Cosby has not yet commented on her son's death. Bravoholics wait for answers and send condolences.

by Tiffany Goldstein - Feb 25 2026
Share

Robert Cosby Jr., the 23-year-old son of Real Housewives of Salt Lake City star Mary Cosby, was found dead Monday night (Feb. 24) in Salt Lake City, authorities and TMZ confirmed.

Salt Lake City police responded to a call described as a "full arrest/medical emergency." 

Fire and emergency medical crews also were present, and first responders encountered what was initially reported as a possible overdose. The scene is being treated as a death investigation and police have not released an official cause of death.

The case is now with the Salt Lake City Police Department and the medical examiner’s office. Officials have not announced charges or provided further details about the circumstances leading to his death. Toxicology and autopsy results, which could take days or weeks, would be needed to determine an official cause.

Public profile and recent events Cosby appeared intermittently on The Real Housewives of Salt Lake City and was featured in Season 4 storylines that highlighted tensions within his family.


Those episodes included revelations that he had secretly married Alexiana Smokoff in August 2022 at a Utah courthouse. Smokoff filed for divorce earlier this year.

Robert’s personal struggles and legal problems were frequently covered by both media and the reality series. He faced multiple arrests in recent years.In 2022 he pleaded guilty to a DUI after being stopped while driving without a license, and he was arrested again in September on allegations including trespassing and assault. 

Neither Cosby nor family representatives have issued a public statement, and representatives for the reality series have not commented. The Salt Lake City Police Department says it will release additional information as the investigation and medical examiner’s review progress. 

Share

Related Post