She believed that children should not be tried as adults and, accordingly, founded the Children's Protection Society. The society had a major role in the subsequent introduction of children's courts. In 1915, she was appointed to the bench of the new court and continued on in this position for eighteen years. In 1920, she became one of the first female Justices of the Peace. Her great great nephew David Malcolm followed in her footsteps, by becoming Chief Justice of the Supreme Court of Western Australia in 1988.