Robert Cosby Jr., the son of ‘The Real Housewives of Salt Lake City’ star Mary Cosby, has reportedly passed away at the age of 23.
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Robert Cosby Jr., Son Of ‘RHOSLC’ Star Mary Cosby, Reportedly Passes Away At 23
On Wednesday, February 25, TMZ published an exclusive report asserting that on Monday, February 23, Robert Cosby Jr. passed away. Furthermore, the outlet reports that Robert passed away in Utah. Police reportedly responded to reports of a “possible overdose” for a 23-year-old male.
However, once police arrived, the incident turned into a death investigation.
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Per the outlet, Robert made a few appearances on’RHOSLC.’ During season 4 of the show, Mary Cosby reportedly learned that he had secretly tied the knot. However, in November 2025, his wife, Alexiana Smokoff, reportedly filed for divorce. It was apparently finalized in January. However, per Page Six, Robert subsequently spent time behind bars for violating his ex-wife’s protective order.
“He’s looking forward to doing positive things. The difficulty is that he was slow to recognize the dissolution of his marriage. But now he understands the relationship is over, and he’s moving forward,” his lawyer reportedly stated amid his release and ordered probation, per Page Six.
Additionally, the show also chronicled Robert’s apparent drug addiction. Per Variety, on one occasion, Robert informed his mother of his use of Xanax, Molly, acid, cocaine, and weed over the years.
@bravotv Mary’s son is sharing his story on RHOSLC. #RealHousewivesOfSaltLakeCity #MaryCosby
Social Media Shares Condolences
Social media users reacted to the passing of Mary Cosby’s son, Robert Cosby Jr., in TSR’s comment section.
While Instagram user @kameron_depaul added, “my heart breaks for Mary and the family. a young king gone too soon 🤍🙏🏾”
Instagram user @erikayvonnerose wrote, “🙏🏾❤️ really have to thank God for every day. RIP”
Instagram user @itskardashhh wrote, “This has been a horrible month. Prayers for everybody who done lost somebody 🥺”
Instagram user @veeawwwknee wrote, “the episode where she sat down w him to talk about his addiction and mental health was the most heartbreaking / emotional episode i saw coming from a child and their parent praying for her healing ❤️🩹”
‘RHOSLC’ Star Mary Cosby Reportedly Shares Statement After Son Robert Cosby Jr. Passes Away At 23
According to TMZ, Mary Cosby issued a statement regarding her son’s passing on Wednesday, February 25.
“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. We are grateful for your prayers and trust in the Lord to carry us through this time of sorrow,” her statement reads.
Mary also shared her statement via Instagram.
This, arriving two weeks after she posted a photo of Robert, noting her love for her “beautiful son.”
