Blackall was born in 1880 in
Gympie, Queensland. Her parents, who were immigrants from England, were Emmeline Sarah Jane (born) Brett and her husband Edwin Thomas, who was a banker. In time, her parents had two more children to add to Ruby and her elder three siblings. She moved from Queensland to New South Wales in 1903 and trained as a nurse at the
Royal Newcastle Hospital. She qualified in June 1905. She married at St Andrew's Anglican Church in Newcastle's suburb of
Waratah. Her husband was a dentist named Thomas Blackall. He came from a locally well known family who lived in the Newcastle area. His father was a pharmacist in Newcastle and the area known as
Blackalls Park was named for his family. The two of them had a daughter who they named Lynette in 1916 and she was found to be deaf. where events took place. In 1948
Helen Keller visited Blackall House where she spoke about the importance of early training for the deaf explaining how Ann Sullivan had made the breakthrough of teaching her that words existed for everything. Fundraising continued for many years to build a holiday home for the deaf. Blackall saw the foundations being made, but she died before the home was completed. She died in
Sydney in 1951. Blackall House closed in 1990. The
Adult Deaf and Dumb Society of New South Wales became the
Deaf Society of New South Wales. ==References==