Helena was born on April 2nd, 1903 in Doncaster, Victoria. Helena's father was William James Bullock and her mother was Mary Louisa Davey. Her paternal grandparents were Edwin F Bullock and Mary Ann Pearce; her maternal grandparents were Thomas Davey and Johanna Condron. She was the youngest of four children. She had a brother and two sisters, named William, Edith and Florence. She died, at the age of 84 years, 2 months and 20 days, on June 22nd, 1987 in Donvale, Victoria.