Marcia Falkender was born on March 10, 1932 in Long Buckby, Northamptonshire, England, UK. She was married to George Williams. She died on February 6, 2019 in the UK.
Long time a political adviser of Harold Wilson, she used as her baroness name her mother's Dorothy surname. She is the author of 2 books. She was the longtime companion of journalist Walter Terry with whom she had 2 sons.