Maggie Griffin worked as a cashier for Oak Park Hospital.Griffin has four older siblings: Kenny, Joyce (died 2017), Gary (died 2014), and John.
She appeared in fellow comedian Julie Brown's Medusa: Dare to Be Truthful, a Showtime parody of the 1991 Madonna film Truth or Dare.In 20, Griffin won Primetime Emmy Awards for her reality show Kathy Griffin: My Life on the D-List.She has also appeared on TV and on film numerous times, mainly in supporting roles.In 2009, she released her autobiography, Official Book Club Selection: A Memoir According to Kathy Griffin.Griffin has taped numerous standup comedy specials with HBO and Bravo.