Rivett was born in 1896 in
Beechworth in the state of Victoria. She was the daughter of Elizabeth Mary Ann (born Cherbury) and the Rev.
Albert Rivett, Her father was a Congregational minister and her elder siblings included Dr. Sir
Albert Cherbury David Rivett, Dr. Edward William Rivett, School principal
Eleanor Harriet "Nell" "Nellie" Rivett, librarian
Elsie Grace Rivett, Dr. Olive Rivett (1889–1981) and Dr.
Christine Rivett (28 February 1891 – 14 July 1962), Brisbane medical practitioner. She had a good education including Sydney's
Fort Street Girls' High School. She had her first graduation in 1918 from the
University of Sydney in philosophy. With her first class degree and the University medal in philosophy she left for England. She gained her second degree course this time in psychology at
Newnham women's college in Cambridge. She worked as a lecturer at
Bedford College to women students of the University of London. While she was in London she was impressed by the
David Copperfield Library In 1923 she was back at her alma mater employed as an extension lecturer until 1927. She also edited the
Federal Independent newspaper for her father and she lectured at the
Kindergarten Training College She took an interest in telepathy, parapsychology and faith healing and she left her employment at her alma mater. She was intrigued by
Victor Cromer's faith healing who was based at his
Spiritual Healing Institute from 1920. She published
Man and His Latent Powers and
Vrillic Force in 1926. Mary and Elsie ran and funded a children's library at
Surry Hills active in 1933 ==1934, Mary Matheson and the Carnegie report==