education insights | January 18, 2026

What Does Mary Cosby’S Husband Do? – Celebrity

So, who is Robert Cosby Sr.? According to Celebpie, Robert is mostly known for being the husband of Mary, but he is also an entrepreneur and a pastor. He was born between the years 1950-1955, making him around 65-70 years old. He primarily looks after the family business, which is their empire of churches and restaurants.

Mary Cosby is one of the most notorious housewives of all time. (Remember when rumors surfaced that she was a cult leader?) Mary and her husband, Robert Cosby Sr., have been “going strong” for about 20 years now although “going strong” might be a phrase to take lightly in their case.

Rosemary died in 1997, leaving the bulk of her multimillion-dollar fortune and Faith Temple Pentecostal Church for Mary Cosby. “My grandmother told me, for herself, that she wanted me to take her place,” Mary Cosby told Cohen.

He then defended Cosby, calling her a “great mother” to their son, Robert Jr., and a great wife” while also praising their 22-year marriage. Cosby began to tear up while he also acknowledged that they were equals at their church, Salt Lake City’s Faith Temple Pentecostal Church.

Who is Mary Cosy married to?

As loyal RHOSLC fans know, Mary Cosy is married to Bishop Robert C. Cosby Sr. Their marriage would be unremarkable except for the fact that Robert Sr. used to be Mary’s step-grandfather. Mary’s current husband married Mary’s grandmother as her second husband back in 1975 and stayed with her up until her death in 1997, per Bustle.

Mary explains her relationship with her husband as an “arranged marriage.”. In order to inherit her family’s “empire of churches, restaurants and more,” Mary had to marry Robert Sr., as stated in her grandmother’s will. While the arrangement worked out in the end, it didn’t always go so smoothly.

He then married Mary shortly after her grandmother’s death. Mary and Robert Sr., who are 22 years apart, have now been married for over twenty years and share a teenage son, Robert Jr. IS ROBERT SR.

As Mary explained on RHOSLC, “I am not Mormon — I’m actually Pentecostal . I am the first lady of our church,” she says. “It was inherited through my grandmother.

Who was the man that Cosby married?

In order to do so, however, she had to marry the man to whom her grandmother left the empire in the first place. That man was Robert Cosby Sr. , her step-grandfather and now-husband.

We’ll step aside from that story for a moment to focus on Mary Cosby’s life since getting married. We said earlier that she married Robert 20 years ago, and is 42 years old today.

In January of 1997, Rosemary Cosby died of a heart attack. Though an autopsy would later reveal that Rosemary died of natural causes, Rosemary’s oldest child insisted that Robert was responsible for her death.

ADVERTISEMENT

Mary and Robert have one son together. Coming back to Mary’s private ways, though, it seems she’s kept his name and age off of her social media pages as well.

One notable exception, in the form of the usually reliable Bossip, reports that Mary — maiden name Mary Martha Harris — was actually 24 when she married Robert.

That’s Robert on the left — and, yes, that is Mary Cosby on the right. (Mary’s appearance has a 100% success rate when it comes to surprising people who compare it to Mary now.)

Mary Cosby’s grandmother, Rosemary Redmon Cosby, founded the church over which Robert now presides back in 1968. Rosemary and Robert married when he was 22 years old — the same age Mary was when she married Robert.

Related