List of Famous people named Mary

Mary Helen Johnston, later also Mary Helen McCay, is an American scientist and former astronaut. Working with NASA as an engineer in the 1960s and '70s, Johnston aspired to be an astronaut; she unsuccessfully applied in 1980 before becoming a payload specialist in 1983. Johnston retired from NASA in 1986 without having gone to space. She is a professor at Florida Institute of Technology.

Mary Hopkin, credited on some recordings as Mary Visconti, is a Welsh folk singer, best known for her 1968 UK number one single "Those Were the Days". She was one of the earliest signings to the Beatles' Apple label.

Mary Hilde Ruth Bauermeister is a German artist who works in sculpture, drawing, installation, performance, and music. Influenced by Fluxus artists and Nouveau Réalisme, her work addresses esoteric issues of how information is transferable through society. "I only followed an inner drive to express what was not yet there, in reality or thought," she said of her practice. "To make art was more a finding, searching process than a knowing." Since the 1970s, the artist's work has concentrated on the themes surrounding New Age spirituality, specifically geomancy, the divine interpretation of lines on the ground.

Mary Teresa Slaney is a retired American middle-distance runner. During her career, she won gold medals in the 1500 meters and 3000 meters at the 1983 World Championships, and was the world record holder in the mile, 5000 meters and 10,000 meters. In total, she set 17 official and unofficial world records, including being the first woman in history to break 4:20 for the mile. She also set 36 US national records at distances ranging from 800 meters to 10,000 meters, and has held the US record in the mile, 2000 meters and 3000 meters since the early 1980s, while her 1500 meters record stood for 32 years. In 2003, she was inducted into the National Track and Field Hall of Fame.

Mary Kaye Huntsman is an American activist and the wife of Jon Huntsman Jr. She launched and developed Bag of Hope and Power in You, programs that help children and teenagers deal with the emotional side of adversity with peer-to-peer and grownup support.

Mary Wiseman is an American actress. She is best known for starring as Ensign Sylvia Tilly in the CBS All Access science fiction drama series Star Trek: Discovery (2017–present).

Mary Sarah Gross, known professionally as Mary Sarah, is a country music singer and songwriter. She started what would become her career with performances local to her region, before being picked up by Kidz Bop in 2007. After leaving them, she continued with local and regional performances before releasing Crazy Good in 2010. Her second album, Bridges, followed in 2014, and included duets with several high-profile country music stars. A third album, Dress Up This Town, followed a year later, and she has performed at the Grand Ole Opry and was featured on The Voice.

Mary Cynthia Walsh is a Canadian actress, comedian, and writer. She is known for her work on This Hour Has 22 Minutes.

Mary Pat Christie is an American investment banker and wife of former New Jersey Governor and 2016 presidential candidate Chris Christie.

Mary Elizabeth Ellis is an American actress and writer. She is known for her role as The Waitress on the FX sitcom It's Always Sunny in Philadelphia. Ellis also starred in the NBC sitcom Perfect Couples and the Fox sitcom The Grinder. She also appeared as Nick's ex-girlfriend in the sitcom New Girl. From 2017 to 2019, she starred as Lisa Palmer on the Netflix horror-comedy Santa Clarita Diet.