Related Information for Cass Elliot "Mama" Cass Elliot, Baroness von Wiedenman (September 19, 1941 – July 29, 1974), born Ellen Naomi Cohen, was a noted American singer who performed with The Mamas & The Papas. She then went onto a successful solo career, releasing nine albums. Born in Baltimore, Maryland, she spent most of her childhood both in Baltimore and Alexandria, Virginia, a suburb of Washington, D.C.Elliot, known for her sense of humor and optimism, was considered by some to be the most charismatic.. read more