Mary Cosby Net Worth: The Kingdom of Mary Cosby contains more than just Her Late Grandmother’s Church. Mary Cosby is one of the most memorable cast members in Bravo’s newest Housewives franchise, Salt Lake City’s Real Housewives. Mary Cosby and husband Robert Cosby Sr. have been married for 21 years and share a teenage son, Robert Jr.
He was born between the years 1950-1955, making him about 65-70 years old. She runs a Utah congregation that was left behind by her late grandmother, Rosemary Cosby.
He mainly looks after the family business, which is their church and restaurant empire. As a businessman, Robert has been very successful and has an approximate net worth of $20 million now.
Several stores have confirmed that the net value of Robert Sr. is much higher than the $20 million of his bride. Others, including his wife, have valued his property at around $3 million to $5 million. None of them have addressed earnings in public, either Mary or Robert Sr.