Celeb Alerts
Mary Cosby (born October 21, 1972) is an American reality television personality, entrepreneur, and Pentecostal pastor. She rose to national prominence as an original cast member of Bravo’s The Real Housewives of Salt Lake City (2020). Known for her outspoken personality, luxury lifestyle, and controversial church leadership, Cosby quickly became one of the most talked-about figures in the franchise.
Quick Bio
- Full Name: Mary Martha Cosby
- Date of Birth: October 21, 1972
- Age: 53 years (as of 2026)
- Birthplace: Salt Lake City, Utah, USA
- Nationality: American
- Ethnicity: African-American
- Profession: Reality TV Personality, Pastor, Entrepreneur
- Years Active: 2020 – Present (television)
- Known For: The Real Housewives of Salt Lake City
- Height: 5 feet 7 inches (170 cm) — reported
- Net Worth: Estimated $4–6 million
Early Life, Family & Education
Mary Cosby was born on October 21, 1972, in Salt Lake City, Utah. She was raised in a religious household connected to her family’s Pentecostal church community.
Parents & Siblings
Mary Cosby was born to Rosie “Mama” Redmon Cosby (mother). Her father’s name has not been widely publicized.
Her grandmother, Rosemary “Mama” Redmon Cosby, founder of Faith Temple Pentecostal Church, played a significant parental and spiritual role in her upbringing.
Education
Details about her formal education have not been widely publicized. She became deeply involved in church leadership following her grandmother’s passing.
Career
Church Leadership: After her grandmother’s death, Mary Cosby inherited leadership of Faith Temple Pentecostal Church and associated family businesses. She serves as a Pentecostal pastor.
Reality Television (2020–Present): Cosby gained national recognition as an original cast member of The Real Housewives of Salt Lake City. Her candid remarks, lavish fashion, and personal controversies made her a standout personality. She departed after Season 2 but later returned to the series.
Television Appearances
- The Real Housewives of Salt Lake City (2020– )
Public Controversies
Mary Cosby has faced public scrutiny regarding her church leadership and personal life, including her marriage to her step-grandfather. She has denied allegations of misconduct related to her church.
Physical Measurements
- Height: 5 feet 7 inches (170 cm) — reported
- Weight: ~60 kg / 132 lbs (varies; reported)
- Hair Color: Black
- Eye Color: Dark Brown
Salary & Net Worth
Her estimated net worth ranges between $4 million and $6 million, derived from church leadership, business ventures, and reality television earnings.
Relationship, Husband & Children
- Robert Cosby Sr.: Businessman and pastor. Married in 1998 after the death of her grandmother.
Mary Cosby has one son and keeps much of her family life private.
- Son: Robert Cosby Jr.
Social Media
- Instagram: @mary_m_cosby
- X (Twitter): Not publicly active
- Facebook: Mary Cosby (Official Page)
Trivia
- She became a breakout star on The Real Housewives of Salt Lake City for her unfiltered commentary.
- Her marriage to her step-grandfather generated widespread media attention.
- She is known for her extensive designer fashion collection.
- She stepped away from RHOSLC after Season 2 before returning in later seasons.
FAQs
How old is Mary Cosby?
53 years old as of 2026.
What is Mary Cosby known for?
She is best known for appearing on The Real Housewives of Salt Lake City.
Is Mary Cosby married?
Yes, she is married to Robert Cosby Sr.
How tall is Mary Cosby?
5 feet 7 inches (170 cm) — reported.
