Mary Cosby, a cast member of The Real Housewives of Salt Lake City (RHOSLC), is currently generating immense buzz online. The television personality is the central subject of a 2026 TLC three-part docuseries titled The Cult of the Real Housewife. Premiered on January 1, 2026, it investigates long-standing allegations of spiritual, financial, and emotional abuse within the Faith Temple Pentecostal Church, which Mary leads alongside her husband, Robert Cosby Sr. Here’s everything we need to know about him and the controversies the couple faced in the recently released docuseries.
Who is Robert Cosby Sr., Mary Cosby’s husband?
Robert Cosby Sr. is a bishop and the second husband of Mary Cosby. He is widely known for their unconventional marriage, as he was previously married to Mary’s late grandmother, Dr. Rosemary Redmon Cosby. Robert is based out of Salt Lake City and leads the Faith Temple Pentecostal Church alongwith his wife, Mary Cosby, until he died in 2006 at the age of 74. Mary’s grandmother originally founded the cathedral, and following her death, her 53-year-old granddaughter has served as its first lady since her marriage to Robert Cosby Sr.
By
