*Toward the end of her life, her favorite song was "You Make Me Feel Brand New" by the Stylistics.
*She bought her famous house on Woodrow Wilson Drive from Natalie Wood. Since then it has been owned at various times by Ringo Starr, Dan Ackroyd, and Beverly D'Angelo.
*Was a Girl Scout.
*During the 90s, actress Kathy Najimy tried to get a Cass Elliot bio-pic made, but failed to garner serious interest from studios.
*Cass once paid a sizable tax bill to the IRS in the form of pennies.
*A close friend of producer Julia Phillips who became the first woman to win an Academy Award for Best Picture.
*Her funeral was attended by over 400 people.
*Lost 110 pounds in the late 60s taking on a special diet, but fell sick to several illnesses as a result.
*Owned a Porsche, a Harley, and an Aston Martin.
*At one time she owned two dogs and fifteen cats.
*Made an album with Electric Flag that was never released.
*As one of the singers of "California Dreamin'", Cass actually preferred life on the East Coast and London.
*Cass dated TV game show pioneer Chuck Barris towards the end of her life.
*According to a 1978 interview, singer Harry Nillson, who owned the London flat Cass occupied until her death, heatedly claimed her boyfriend George Caldwell remained in the unit three months after she died.