Mary Martha Cosby (born 17 October 1972) is an American television personality. She is best known as an original cast member of the Bravo reality television series The Real Housewives of Salt Lake City.
Watch What Happens Live with Andy Cohen
Series • 2009
The Real Housewives of Salt Lake City
Series • 2020
The Real Housewives Ultimate Girls Trip
Series • 2021
The Cult of the Real Housewife
Series • 2026