When Sarah Tucker was born on 31 August 1875, in Inman Valley, South Australia, Australia, her father, William Tucker, was 30 and her mother, Martha Lemon, was 29. She married John Stevens Penfold on 29 June 1896, in Blyth, South Australia, Australia. They were the parents of at least 2 sons and 3 daughters. She died on 12 May 1955, in Balaklava, South Australia, Australia, at the age of 79.