Sarah Jane was born on 6th May 1891 in Llanrhaeadr, the daughter of Llansilin farmer Thomas and Margaret Davies. Her older brother Alfred (b. 1882) worked on the family’s farm alongside her younger sister Elizabeth Ann (b. Oct 1894) and younger brother Charles William (b. 1901). Sarah was also recorded as working on the farm.
Also working on the farm was Robert Davies, a cowman.