Marianne Cope, also known as Saint Marianne of Molokaʻi, was a Roman Catholic nun who dedicated her life to caring for the sick in the leper colonies of Hawaii. She was canonized in 2012.
Marianne Elizabeth Lane Hickey is an American former chess player. Her combination of good looks and chess-playing ability made her an international celebrity, even though she never achieved the title of chess master. Her photo appeared on the cover of Sports Illustrated, making her the first of only two chess players ever to appear on its cover. There were articles about her in Look, Newsweek, The New Yorker and many other magazines.
Marianne Dashwood is a character in Jane Austen's "Sense & Sensibility" (played by Kate Winslet in the film version from 1995). "So long Marianne" is a song by Leornad Cohen.