When Harriet Borland Adam was born on 10 June 1913, in Inglewood, Victoria, Australia, her father, Alexander Borland Adam, was 48 and her mother, Martha Schumann, was 25. She married Ernest Mansfield on 10 August 1934, in Bendigo, Victoria, Australia. They were the parents of at least 1 daughter. She died in 1999, in Bendigo, Victoria, Australia, at the age of 86.