Her mother Sarah Jane Kirk was a leader in the Wellington Christian Ladies' Association and the Wellington chapter of the Women's Christian Temperance Union New Zealand; and she encouraged her three daughters to participate in these organizations as they worked to support impoverished families and victims of domestic violence. However, when Cybele was singled out to serve as an officer in the Society for the Protection of Women and Children, a new organization started up by her sister Lily, Sarah Jane protested as she thought the work to be too difficult for the delicate nature of Cybele's health at the time.
