Molly Shannon is an American actress and comedian, born on September 16, 1964, in Shaker Heights, Ohio. She gained prominence as a cast member on 'Saturday Night Live' from 1995 to 2001, known for characters like Mary Katherine Gallagher. Shannon has appeared in films such as 'Superstar,' 'Never Been Kissed,' and 'The Other Guys.' Her work extends to television with roles in 'Enlightened' and 'The White Lotus.' Shannon's comedic talent and unique characters have made her a beloved figure in entertainment.